CN206672350U - A kind of crops data collecting relay - Google Patents
A kind of crops data collecting relay Download PDFInfo
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- CN206672350U CN206672350U CN201720245534.XU CN201720245534U CN206672350U CN 206672350 U CN206672350 U CN 206672350U CN 201720245534 U CN201720245534 U CN 201720245534U CN 206672350 U CN206672350 U CN 206672350U
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- transceiver
- power supply
- data collecting
- collecting relay
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Abstract
It the utility model is related to a kind of crops data collecting relay, the data collecting relay includes two receivers and two negative circuits, the repeater is using double insulating power supplies, power supply between two receivers is mutually isolated, repeater inner control logic is kept apart with bus 1, bus 2, mutually isolated between the bus 2 that two receivers are connected.Therefore, the repeater can be greatly reduced the big earth potential difference between network, so that the life-span of component significantly extends by being electrically isolated.
Description
Technical field
It the utility model is related to network interconnection apparatus, network interconnection field, and in particular to a kind of crops data collecting relay.
Background technology
With the rapid development of Internet technology, the application of every field of the internet in life is more and more wider.Internet of Things
The it is proposed of net concept is even more to have pushed the application of internet to a new step so that the information transfer object on internet enters
One step expands.Wisdom agricultural proposition, allow agricultural development also with internet tight association.
Development of Morden agricultural, wisdom agricultural are the main trend of agricultural development instantly.Develop wisdom agricultural, it is necessary to agriculture
Crop is monitored in real time, and to adjust crop growth environment in time, the abnormal conditions to crops are made and timely located
Reason.Therefore, in the process, the transmission of the data to collection, control command etc. is necessarily involved.And the growth place of crops
The distance between the control point of reality is often distant.When the transmission range of crop information and control information is distant,
Signal will constantly be weakened, the crops data collected during so as to influence long-distance transmissions.
, it is necessary to which the crop information of multiple spot is acquired and transmitted in the gatherer process to crops data.Due to
It is all more dispersed to gather the sensor of crop information, it is more with collection point, and also transmission range is all distant.In some long distances
From in transmission network, the big ground voltage difference between network node is very common, will if not implementing to isolate to these voltage differences
Cause the destruction of device.
In addition, necessarily using full duplex cable using full duplex relaying device, substantial amounts of cable and distribution, its cost can be consumed
It is high and inadvisable.
The content of the invention
The purpose of this utility model is：For above-mentioned in crops data acquisition, the big ground connection between network node
The problem of voltage difference easily damages to device, the utility model provide a kind of crops data collecting relay.This practicality
The technical scheme of new use is as follows：
A kind of crops data collecting relay, the data collecting relay includes power supply circuit, bus node drives
Circuit, repeater control circuit, the first transceiver, the second transceiver；The power supply circuit is designed using double insulating power supplies, power supply
Circuit includes center power supply, the first insulating power supply and the second insulating power supply, and the first insulating power supply is powered for the first transceiver, and second
Insulating power supply is powered for the second transceiver, and repeater control circuit is powered using central source of power, and bus node drive circuit is used for
Transceiver is driven, repeater control circuit is used to control transceiver.
A kind of described crops data collecting relay, the power supply circuit include the first transformation driver and second and become
Press driver.
A kind of described crops data collecting relay, the power end connection central source of power of first voltage driver is just
Pole, central source of power positive pole, electric capacity C1, publicly it is sequentially connected, forward series of coils between first voltage driver D1, D2 mouth
L1, L2, central source of power positive pole being connected between coil L1, L2, the point between coil L1, L2 is sequentially connected electric capacity C2, publicly,
Sensing side, forward series inductance coil L3, L4, the both ends of induction coil are defeated by voltage-regulator diode and the first insulating power supply respectively
Go out end connection, be isolator connected with first between the induction coil of series connection, the first insulating power supply output end and voltage-regulator diode it
Between be isolator connected with first by electric capacity C3.
A kind of described crops data collecting relay, the power end connection central source of power of second voltage driver is just
Pole, central source of power positive pole, electric capacity C4, publicly it is sequentially connected, forward series of coils between D1, D2 mouth of second voltage driver
L5, L6, central source of power positive pole is connected between coil L5, L6, the point between coil L5, L6 is sequentially connected electric capacity C5, publicly, sense
Side forward series inductance coil L7, L8 are answered, the both ends of induction coil are exported by voltage-regulator diode and the second insulating power supply respectively
End connects, and is isolator connected with second between the induction coil of series connection, between the second insulating power supply output end and voltage-regulator diode
Isolator it is connected with second by electric capacity C6.
A kind of described crops data collecting relay, the power supply of the first transceiver and the power supply of second transceiver
Mutually isolated, the ground of first transceiver and the ground of second transceiver are mutually isolated.
A kind of described crops data collecting relay, the repeater control circuit are delayed using reverse schmidt trigger
Device is rushed, realizes SECO；The buffer includes the first buffer and the second buffer.
A kind of described crops data collecting relay, the receiving terminal of first transceiver and the transmitting terminal of second transceiver
Connection, the transmitting terminal of first transceiver and the receiving terminal of second transceiver connect.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
Using in the transmission network of double isolation half-duplex repeaters described in above-mentioned technical proposal, transceiver bus circuit is isolated
In its control circuit, bus system can greatly reduce the destructive rate of device independently of the earthing potential of local node.
Due to the use of double isolation half-duplex repeaters so that the number of cables in transmission line greatly reduces, transmission system
The cost of system is minimized.
Brief description of the drawings
Fig. 1 is the utility model crops data collecting relay circuit structure diagram；
Fig. 2 is double isolation power supply circuits；
Embodiment
All features disclosed in this specification, can be with any in addition to mutually exclusive feature and/or step
Mode combines.
The present invention is elaborated with reference to Fig. 1, Fig. 2.
A kind of crops data collecting relay, the data collecting relay includes power supply circuit, bus node drives
Circuit, repeater control circuit, the first transceiver, the second transceiver；The power supply circuit is designed using double insulating power supplies, power supply
Circuit includes center power supply, the first insulating power supply and the second insulating power supply, and the first insulating power supply is powered for the first transceiver, and second
Insulating power supply is powered for the second transceiver, and repeater control circuit is powered using central source of power, and bus node drive circuit is used for
Transceiver is driven, repeater control circuit is used to control transceiver.
A kind of described crops data collecting relay, the power supply circuit include the first transformation driver and second and become
Press driver.
A kind of described crops data collecting relay, the power end connection central source of power of first voltage driver is just
Pole, central source of power positive pole, electric capacity C1, publicly it is sequentially connected, forward series of coils between first voltage driver D1, D2 mouth
L1, L2, central source of power positive pole being connected between coil L1, L2, the point between coil L1, L2 is sequentially connected electric capacity C2, publicly,
Sensing side, forward series inductance coil L3, L4, the both ends of induction coil are defeated by voltage-regulator diode and the first insulating power supply respectively
Go out end connection, be isolator connected with first between the induction coil of series connection, the first insulating power supply output end and voltage-regulator diode it
Between be isolator connected with first by electric capacity C3.
A kind of described crops data collecting relay, the power end connection central source of power of second voltage driver is just
Pole, central source of power positive pole, electric capacity C4, publicly it is sequentially connected, forward series of coils between D1, D2 mouth of second voltage driver
L5, L6, central source of power positive pole is connected between coil L5, L6, the point between coil L5, L6 is sequentially connected electric capacity C5, publicly, sense
Side forward series inductance coil L7, L8 are answered, the both ends of induction coil are exported by voltage-regulator diode and the second insulating power supply respectively
End connects, and is isolator connected with second between the induction coil of series connection, between the second insulating power supply output end and voltage-regulator diode
Isolator it is connected with second by electric capacity C6.
A kind of described crops data collecting relay, the power supply of the first transceiver and the power supply of second transceiver
Mutually isolated, the ground of first transceiver and the ground of second transceiver are mutually isolated.
A kind of described crops data collecting relay, the repeater control circuit are delayed using reverse schmidt trigger
Device is rushed, realizes SECO；The buffer includes the first buffer and the second buffer.
A kind of described crops data collecting relay, the receiving terminal of first transceiver and the transmitting terminal of second transceiver
Connection, the transmitting terminal of first transceiver and the receiving terminal of second transceiver connect.
A kind of described crops data collecting relay, it is characterised in that the bus node drive circuit include with
The first connected insulating power supply of first transceiver feeder ear；First insulating power supply is grounded by electric capacity C7, the first insulating power supply, electricity
Resistance R1, R2, R3, first be isolator sequentially connected, the A inputs of first transceiver are connected between resistance R1, R2, and with it is outer
Portion's bus is connected, and the B inputs of transceiver are connected between resistance R2, R3, and are connected with external bus.
A kind of described crops data collecting relay, it is characterised in that the bus node drive circuit include with
The second connected insulating power supply of second transceiver feeder ear；Insulating power supply by electric capacity C8 be grounded, insulating power supply, resistance R4, R5,
R6, isolator it is sequentially connected, the A inputs of second transceiver are connected between resistance R4, R5, and are connected with external bus,
The B inputs of transceiver are connected between resistance R5, R6, and are connected with external bus.
In the repeater control circuit, a kind of described crops data collecting relay, the reception of first transceiver
End is connected with the transmitting terminal of second transceiver, and the receiving terminal of first transceiver is sequentially connected pull-up resistor R9, filter capacitor C11,
Central source of power is connected between pull-up resistor R9 and filter capacitor C11；The reception of the transmitting terminal and second transceiver of first transceiver
End connection, the receiving terminal of first transceiver are sequentially connected pull-up resistor R10, filter capacitor C12, pull-up resistor R10 and filtered electrical
Central source of power is connected between appearance C12.
The reception Enable Pin of first buffer output end and first transceiver, Enable Pin connection is sent, the first buffer
Power end is connected with central source of power, and for earth terminal with being publicly connected, one branch road of input is sequentially connected electric capacity C9, publicly,
Resistance R7 and diode D1 are parallel between input and the transmitting terminal of first transceiver.
Second buffer output end with the and the reception Enable Pin of transceiver, send Enable Pin and be connected, the second buffer
Power end is connected with central source of power, and for earth terminal with being publicly connected, one branch road of input is sequentially connected electric capacity C10, publicly,
Input and and resistance R8 and diode D2 are parallel between the receiving terminal of transceiver.
Claims (7)
1. a kind of crops data collecting relay, it is characterised in that the data collecting relay includes power supply circuit, bus
Node drive circuit, repeater control circuit, the first transceiver, the second transceiver；Power supply circuit is designed using double insulating power supplies,
Power supply circuit includes center power supply, the first insulating power supply and the second insulating power supply, and the first insulating power supply is powered for the first transceiver,
Second insulating power supply is powered for the second transceiver, and repeater control circuit is powered using central source of power, bus node drive circuit
For driving transceiver, repeater control circuit is used to control transceiver.
2. a kind of crops data collecting relay according to claim 1, it is characterised in that the power supply circuit includes
First transformation driver and the second transformation driver.
3. a kind of crops data collecting relay according to claim 2, it is characterised in that first voltage driver
Power end connects central source of power positive pole, central source of power positive pole, electric capacity C1, is publicly sequentially connected, first voltage driver D1, D2
Forward series of coils L1, L2 between mouthful, connects central source of power positive pole between coil L1, L2, the point between coil L1, L2 connects successively
Electric capacity C2, publicly is met, forward series inductance coil L3, L4, the both ends of induction coil pass through voltage-regulator diode respectively for sensing side
It is connected with the first insulating power supply output end, is isolator connected with first between the induction coil of series connection, the output of the first insulating power supply
Isolator it is connected with first by electric capacity C3 between end and voltage-regulator diode.
4. a kind of crops data collecting relay according to claim 3, it is characterised in that second voltage driver
Power end connects central source of power positive pole, central source of power positive pole, electric capacity C4, is publicly sequentially connected, the D1 of second voltage driver,
Forward series of coils L5, L6 between D2 mouths, central source of power positive pole is connected between coil L5, L6, the point between coil L5, L6 is successively
Electric capacity C5, publicly is connected, forward series inductance coil L7, L8, the both ends of induction coil pass through the pole of voltage stabilizing two respectively for sensing side
Pipe is connected with the second insulating power supply output end, is isolator connected with second between the induction coil of series connection, the second insulating power supply is defeated
Go out between end and voltage-regulator diode and be isolator connected with second by electric capacity C6.
5. a kind of crops data collecting relay according to claim 1, it is characterised in that the first transceiver
The power supply of power supply and second transceiver is mutually isolated, and the ground of first transceiver and the ground of second transceiver are mutually isolated.
A kind of 6. crops data collecting relay according to claim 2, it is characterised in that the repeater control electricity
Road uses reverse schmidt trigger buffer, realizes SECO；The buffer includes the first buffer and the second buffer.
A kind of 7. crops data collecting relay according to claim 5, it is characterised in that the reception of first transceiver
End is connected with the transmitting terminal of second transceiver, and the transmitting terminal of first transceiver and the receiving terminal of second transceiver connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245534.XU CN206672350U (en) | 2017-03-14 | 2017-03-14 | A kind of crops data collecting relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245534.XU CN206672350U (en) | 2017-03-14 | 2017-03-14 | A kind of crops data collecting relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206672350U true CN206672350U (en) | 2017-11-24 |
Family
ID=60377499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245534.XU Active CN206672350U (en) | 2017-03-14 | 2017-03-14 | A kind of crops data collecting relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206672350U (en) |
-
2017
- 2017-03-14 CN CN201720245534.XU patent/CN206672350U/en active Active
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