CN106375028A - Wireless communication intrinsic safety signal processing instrument - Google Patents
Wireless communication intrinsic safety signal processing instrument Download PDFInfo
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- CN106375028A CN106375028A CN201610784768.1A CN201610784768A CN106375028A CN 106375028 A CN106375028 A CN 106375028A CN 201610784768 A CN201610784768 A CN 201610784768A CN 106375028 A CN106375028 A CN 106375028A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B17/00—Monitoring; Testing
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Abstract
The invention provides a wireless communication intrinsic safety signal processing instrument. The wireless communication intrinsic safety signal processing instrument comprises: the signal control end of a Zigbee module is connected to the wireless signal control end of a CPU module; the signal demodulation end of the Zigbee module is connected to the signal end of a signal demodulation module; the modulation signal end of a signal modulation module is connected to the demodulation signal end of the signal demodulation module; the CPU module controls a switch signal end to be connected with the signal end of a control switch module; the signal modulation signal end of the CPU module is connected to the modulation control end of the signal modulation module; the power supply end of the signal modulation module is connected to the output end of a crystal oscillation voltage module; the input end of the crystal oscillation voltage module is connected to the output end of a DCDC module; the input end of the DCDC module is connected to the output end of a safety grid power supply; and the output end of the safety grid power supply is also connected to the power supply input end of the signal demodulation module. The Zigbee module is added into a safety grid or isolator, and connected with a MCU of the safety grid or isolator to read data in the MCU; therefore, data transmission is steady; and the connection speed is rapid.
Description
Technical field
The present invention relates to electronic circuit control field, more particularly, to a kind of wireless telecommunications intrinsic safety signal processing instrument.
Background technology
Only have some manufacturers to carry out real-time detection on-site signal using hart signal in the market, but hart is wired
Connect, field connection is complicated chaotic, and data transmission rate only has 1.2kbps.For requiring, data stabilization transmission, transfer rate are high
Requirement, hart cannot meet the demand of user, and this just needs those skilled in the art badly and solves corresponding technical problem.
Content of the invention
It is contemplated that at least solving technical problem present in prior art, especially innovatively propose a kind of channel radio
News intrinsic safety signal processing instrument.
In order to realize the above-mentioned purpose of the present invention, the invention provides a kind of wireless telecommunications intrinsic safety signal processing instrument, bag
Include: wireless zigbee module by signal control end connects cpu module wireless signal control end, wireless zigbee module by signal demodulating end
Connect signal demodulation module signal end, signal modulation module modulated signal end connects signal demodulation module demodulated signal end, cpu mould
Block controlling switch signal end connects controlling switch module by signal end, and cpu module by signal modulated signal end connects signal modulation module
Modulation control end, signal modulation module power end connects crystal oscillator voltage module outfan, and crystal oscillator voltage module input connects
Dcdc module outfan, dcdc module input attachment security grid power output end, guard grating power output end is also connected with signal
Demodulation module power input.
Having the beneficial effect that of technique scheme adds zigbee module in guard grating or isolator, it with peace
The mcu of full grid or isolator is connected, data in read-write mcu, and data transfer is stable, and connection speed is fast.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described wireless zigbee module includes:
Zigbee chip power coupled end connects the 21st electric capacity one end, the 21st electric capacity other end ground connection, the 19th electric capacity and the
After 20 electric capacity parallel connections, one end connects zigbee chip power end, other end ground connection after the 19th electric capacity and the parallel connection of the 20th electric capacity, and the 1st is brilliant
Shake one end connection the 22nd electric capacity one end, the 22nd electric capacity other end ground connection, the 1st crystal oscillator other end connection the 23rd electric capacity one end, and the 23rd
The electric capacity other end is grounded, and the 22nd electric capacity one end is also connected with zigbee chip crystal oscillator end, and the 23rd electric capacity one end is also connected with zigbee core
Piece crystal oscillator end, the 2nd crystal oscillator one end connects the 28th electric capacity one end, the 28th electric capacity other end ground connection, and the 2nd crystal oscillator other end connects the 27th
Electric capacity one end, the 27th electric capacity other end ground connection, the 29th electric capacity one end connects zigbee chip voltage end, another termination of the 29th electric capacity
Ground, the 16th resistance one end connects zigbee chip biased electrical pressure side, the 16th resistance other end ground connection, and the 30th electric capacity one end connects
Zigbee chip voltage end, the 30th electric capacity other end ground connection, the 31st electric capacity one end connects zigbee chip voltage end, the 31st electric capacity
The other end is grounded, and the 32nd electric capacity one end connects zigbee chip voltage end, the 32nd electric capacity other end ground connection, and the 33rd electric capacity one end is even
Connect zigbee chip voltage end, the 33rd electric capacity other end ground connection, zigbee chip reset end connect respectively the 26th electric capacity one end and
15th resistance one end, the 26th electric capacity other end ground connection, the 15th resistance other end connects power end, and zigbee chip shows signal end
Connect the 14th resistance one end, the 14th resistance other end connects the 4th light emitting diode positive pole, the 4th light emitting diode minus earth,
Zigbee chip controls signal end connects the 11st resistance one end, and connecting terminal switchs one end and the 24th to the 11st resistance other end respectively
Electric capacity one end, the contact switch other end connects the 13rd resistance one end, the 13rd resistance other end ground connection, another termination of the 24th electric capacity
Ground, zigbee chip display signal end is also connected with the 12nd resistance one end, and the 12nd resistance other end is just connecting the 3rd light emitting diode
Pole, the 3rd light emitting diode minus earth, zigbee chip signal control end connects the 25th electric capacity one end, the 25th electric capacity other end
Ground connection.
Technique scheme have the beneficial effect that this zigbee modular circuit is rationally distributed, run safety and stability.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described cpu module includes:
Cpu chip reference voltage end connects the 1st resistance one end, and the 1st resistance other end connects power end, cpu chip data
Transmitting terminal connects the 2nd resistance one end and the 62nd electric capacity one end respectively, and the 2nd resistance other end connects can bus data receiving terminal, the
62 electric capacity other end ground connection, the 3rd resistance one end connects power end, and the 3rd resistance other end connects the 1st electric capacity one end and cpu respectively
Chip voltage end, the 1st electric capacity other end connects the 2nd electric capacity one end and ground connection respectively, and the 2nd electric capacity other end connects cpu chip electricity
Pressure side, the 2nd electric capacity one end is also connected with the 3rd electric capacity one end, the 3rd electric capacity other end connection cpu chip voltage end, the 4th electric capacity one end,
It is grounded after 5th electric capacity one end, the 6th electric capacity one end, the 7th electric capacity one end, the 8th electric capacity one end are in parallel, the 4th electric capacity other end connects
Cpu chip voltage end, the 5th electric capacity other end connects cpu chip voltage end, and the 6th electric capacity other end connects cpu chip voltage end,
The 7th electric capacity other end connects cpu chip voltage end, and the 8th electric capacity other end connects cpu chip voltage end, and can bus data sends
End connects the 5th resistance one end, and the 5th resistance other end connects the 4th resistance one end and cpu chip data receiving terminal, the 4th resistance respectively
The other end connects cpu chip voltage end and the 10th electric capacity one end respectively, the 10th electric capacity other end connect respectively the 9th electric capacity one end and
Ground connection, the 9th electric capacity other end is also connected with cpu chip data receiving terminal.
Technique scheme have the beneficial effect that described cpu module can stabilized treatment transmission data it is ensured that data run
Safety.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described dcdc module includes:
Power supply output cathode end connection the 11st electric capacity one end, the 11st electric capacity other end connection power supply output negative pole end, the 12nd
Electric capacity one end connects the 11st electric capacity one end and the 6th resistance one end respectively, and it is another that the 11st electric capacity other end connects the 11st electric capacity respectively
End and the 8th resistance one end, the 8th resistance other end connects the 7th resistance one end, and it is another that the 7th resistance other end connects the 6th resistance respectively
End and the 1st diode cathode, the 1st diode cathode connects the 6th resistance one end and the 63rd electric capacity one end respectively, the 63rd electric capacity one end
It is also connected with the 1st inductance one end, the 63rd electric capacity other end connects the 1st diode cathode and direct current stabilizer voltage end respectively, the 13rd
Power supply output negative pole end is connected, the 13rd electric capacity other end connects DC voltage-stabilizing respectively behind electric capacity one end and the parallel connection of the 14th electric capacity one end
Device thermal compensation signal end and the 9th resistance one end, the 9th resistance other end connects the 14th electric capacity other end, and the 2nd diode cathode connects the
14 electric capacity one end, the 2nd diode cathode connects the 17th electric capacity one end, and the 17th electric capacity other end connects direct current stabilizer boost terminal,
10th resistance one end connects voltage input end, and the 10th resistance other end connects direct current stabilizer clock end, and the 15th electric capacity one end is even
Connect direct current stabilizer triggering end, the 15th electric capacity other end connects power voltage input terminal, the 16th electric capacity one end connects supply voltage
Input, the 16th electric capacity other end connects the 18th electric capacity one end, and the 18th electric capacity other end connects direct current stabilizer voltage end.
Having the beneficial effect that of technique scheme carries out DC current conversion by dcdc module, processes for wireless intrinsic safety
Instrument transmits stabilized power source.
Described wireless telecommunications intrinsic safety signal processing instrument it is preferred that also including wireless signal circuit, described wireless signal
Circuit includes: zigbee chip power end parallel connection the 40th electric capacity, and the 40th electric capacity one end connects coil one end, and the 41st electric capacity one end is even
The wiring circle other end, the 41st electric capacity other end ground connection, the 41st electric capacity one end is also connected with the 18th resistance one end, the 18th resistance other end
Connect the 7th diode cathode and the 8th diode cathode respectively, the 8th diode cathode is also respectively connected with the 9th diode cathode and the
19 resistance one end, the 7th diode cathode ground connection, the 8th diode cathode ground connection, the 9th diode cathode ground connection, the 19th resistance is another
End connects the 1st electric fuse one end, and the 1st electric fuse other end connects the 42nd electric capacity one end and the 10th diode cathode respectively, and the 42nd
The electric capacity other end connects the 43rd electric capacity one end and signal demodulation coil-end respectively, and the 43rd electric capacity other end connects the 11st 2 pole respectively
Pipe positive pole and ground connection.
Having the beneficial effect that of technique scheme is combined with wireless zigbee module by wireless signal circuit, carries out
The modulation and demodulation operation of signal, signal transmission is more reliable and more stable.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described crystal oscillator voltage module includes:
Crystal oscillator voltage output end connects inductance one end, inductance in parallel the 34th electric capacity, and the 34th electric capacity one end connects the 1st respectively
Effect pipe emitter stage and the 2nd field effect transistor emitter stage, the 1st field effect transistor colelctor electrode connects the 16th resistance one end and the 38th electricity respectively
Hold one end, the 1st field effect transistor base stage connects the 16th resistance other end and the 5th diode cathode respectively, the 5th diode cathode is respectively
Connect the 34th electric capacity other end and the 35th electric capacity one end, the 35th electric capacity other end connects the 5th diode cathode, and the 5th diode is just
Pole is also connected with the 6th diode cathode, and the 6th diode cathode connects the 2nd field effect transistor base stage and the 36th electric capacity one end respectively, and the 36th
The electric capacity other end connects the 35th electric capacity one end, and the 2nd field effect transistor base stage is also connected with the 17th resistance one end, another termination of the 17th resistance
Ground, the 17th resistance other end is also connected with the 37th electric capacity one end, and the 37th electric capacity other end connects crystal oscillator voltage output end and the respectively
The 38 electric capacity other ends, the 38th electric capacity one end is also connected with the 39th electric capacity one end, the 39th electric capacity other end ground connection.
Having the beneficial effect that of technique scheme carries out the voltage output with frequency stable by crystal oscillator voltage module,
It is signal modulation module and demodulation module carries out voltage output.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described signal modulation module includes:
Positive source outfan connects the 44th electric capacity one end and the 20th resistance one end respectively, and the 44th electric capacity other end connects respectively
Connect the 12nd diode cathode and the 1st output end of voltage stabilizer, the 12nd diode cathode connects the 1st manostat input, the 1st manostat
Outfan is also connected with the 50th electric capacity one end, and the 2nd manostat input connects the 20th resistance one end, and the 20th resistance other end connects the
21 resistance one end, the 21st resistance other end ground connection, the 2nd output end of voltage stabilizer connects the 50th electric capacity one end, the 50th electric capacity other end
Connect the 51st electric capacity one end and independent voltage input respectively, the 50th electric capacity one end is also connected with the 13rd diode cathode, the 13rd 2
Pole pipe positive pole connects the 14th diode cathode and independent voltage input respectively, and the 14th diode cathode connects the 15th 2 pole respectively
Pipe negative pole and the 51st electric capacity other end, the 15th diode cathode ground connection, voltage signal inputs connection the 22nd resistance one end, the 22nd
The resistance other end connects the 45th electric capacity one end and the 23rd resistance one end, the 45th electric capacity other end ground connection respectively, and the 23rd resistance is another
End connects the 1st operational amplifier electrode input end, and the 1st operational amplifier negative input connects the 24th resistance one end, the 24th electricity
The resistance other end connects the 46th electric capacity one end and the 47th electric capacity one end, the 46th electric capacity other end ground connection, the 47th electric capacity other end respectively
Connect the 1st operational amplifier output terminal and the 25th resistance one end respectively, the 25th resistance other end connects the 48th electric capacity one end respectively
With signal modulation coil-end, the 48th electric capacity other end ground connection, signal modulation coil-end is also connected with the 3rd audion source electrode, the 3rd three pole
Pipe drain electrode connects the 4th audion drain electrode the 49th electric capacity one end respectively, and the 4th audion source electrode connects feedback signal terminal, the 4th audion
Grid connects the 26th resistance one end and the 27th resistance one end respectively, the 26th resistance other end connect respectively the 49th electric capacity other end and
Ground connection, the 27th resistance other end connects the 3rd audion grid and the 28th resistance one end respectively, the 28th resistance other end brief introduction the 14th
Diode cathode.
Technique scheme have the beneficial effect that this signal modulation module circuit safety is stable, the speed of service is fast, low cost
Honest and clean.
Described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described signal demodulation module includes:
Crystal oscillator voltage input end connects the 16th diode cathode and the 29th resistance one end respectively, and the 29th resistance other end is respectively
Connect the 30th resistance one end and the 5th audion grid, the 5th audion source electrode connects signal demodulating end, and the 5th audion drain electrode is respectively
Connect the 30th resistance other end and ground connection, the 30th resistance other end is also connected with the 54th electric capacity one end, the 54th electric capacity other end connects
31st resistance one end, the 31st resistance other end connects the 55th electric capacity one end and the 32nd resistance one end respectively, the 55th electric capacity other end
Ground connection, the 32nd resistance other end connects the 2nd operational amplifier electrode input end, and the 2nd operational amplifier negative input connects the
33 resistance one end, the 33rd resistance other end connects the 56th electric capacity one end and the 34th resistance one end respectively, the 56th electric capacity other end and
The 34th resistance other end is grounded after connecting, and the 16th diode cathode connects the 52nd electric capacity one end respectively, and the 52nd electric capacity other end is even
Connect the 53rd electric capacity one end, the 53rd electric capacity other end ground connection, the 3rd manostat input connects 52 electric capacity one end, the 3rd manostat output
End connects the 18th diode cathode and the 61st electric capacity one end respectively, and the 18th diode cathode connects the 61st electric capacity other end and is followed by
Ground, the 61st electric capacity one end is also connected with 5v voltage output end, the 2nd operational amplifier output terminal connection the 6th audion grid, and the 6th three
Pole pipe drain electrode connects the 34th resistance one end, and the 6th audion source electrode connects the 35th resistance one end and the 60th electric capacity one end, 5v electricity respectively
Pressure outfan connects the 19th diode cathode, and the 19th diode cathode connects the 58th electric capacity one end and current voltage regulator boosting respectively
End, the 58th electric capacity other end connects the 2nd inductance one end and current voltage regulator switch terminals respectively, and the 2nd inductance one end is also connected with the 20th
Diode cathode, the 20th diode cathode connects the 59th electric capacity one end and current voltage regulator earth terminal respectively, and the 59th electric capacity is another
End connects the 2nd inductance other end, and the 2nd inductance other end is also respectively connected with the 21st diode cathode and the 60th electric capacity one end, and the 21st
Diode cathode connects current voltage regulator feedback end and the 35th resistance one end respectively, and the 35th resistance other end connects the 60th electricity respectively
Hold the other end and electric current output negative pole end, the 60th electric capacity one end is also connected with the 22nd diode cathode, the 22nd diode cathode connects
Electric current output cathode end.
Technique scheme have the beneficial effect that this signal demodulation module reasonable circuit layout, run safety and stability.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows:
1. low-power consumption: under low power consumption standby mode, 2 No. 5 aneroid battery of section can support that 1 node works 6～24 months, very
Extremely longer, this is the outstanding advantage of zigbee.Compare, can work several weeks, wifi of bluetooth can work a few hours.
2. the response speed of short time-delay: zigbee is very fast, and typically proceeding to working condition from sleep only needs 15ms, and node connects
Entering network only needs 30ms, saves electric energy further.Compare, bluetooth needs 3～10s, wifi to need 3s.
3. communication distance: from the 75mm of standard to hundreds of rice, several kilometers, can be with infinite expanding
4. data rate: in 2.4ghz frequency range, data rate 250kb/s
5. reliability: physical layer adopts spread spectrum, opposing interference
6. the large-scale networking capability of networking capability: zigbee -65000 nodes of each network, and each blueteeth network
Only 8 nodes, node adds network with the process rejoining network quickly, within typically can accomplishing 1 second, even more
Hurry up.Bluetooth typically requires 3 seconds.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein:
Fig. 1 is overall circuit schematic diagram of the present invention；
Fig. 2 is zigbee module connection diagram of the present invention；
Fig. 3 is cpu module diagram of the present invention；
Fig. 4 is dcdc module diagram of the present invention；
Fig. 5 is zigbee module diagram of the present invention；
Fig. 6 is crystal oscillator voltage module schematic diagram of the present invention；
Fig. 7 is wireless signal circuit diagram of the present invention；
Fig. 8 is signal modulation module schematic diagram of the present invention；
Fig. 9 is signal demodulation module schematic diagram of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention it is to be understood that term " longitudinal ", " horizontal ", " on ", D score, "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of the description present invention and simplify description, rather than the dress of instruction or hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the present invention
System.
In describing the invention, unless otherwise prescribed and limit, it should be noted that term " installation ", " being connected ",
" connection " should be interpreted broadly, for example, it may be the connection of mechanical connection or electrical connection or two element internals, can
To be to be joined directly together it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
As shown in figure 1, the invention provides a kind of wireless telecommunications intrinsic safety signal processing instrument, comprising: wireless zigbee mould
Block signal control end connects cpu module wireless signal control end, and wireless zigbee module by signal demodulating end connects signal solution mode transfer
Block signal end, signal modulation module modulated signal end connects signal demodulation module demodulated signal end, cpu module controlling switch signal
End connects controlling switch module by signal end, and cpu module by signal modulated signal end connects signal modulation module modulation control end, signal
Modulation module power end connects crystal oscillator voltage module outfan, and crystal oscillator voltage module input connects dcdc module outfan,
Dcdc module input attachment security grid power output end, guard grating power output end is also connected with signal demodulation module power input
End.
Having the beneficial effect that of technique scheme adds zigbee module in guard grating or isolator, it with peace
The mcu of full grid or isolator is connected, data in read-write mcu, and data transfer is stable, and connection speed is fast.
As shown in figure 5, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described wireless zigbee module bag
Include:
Zigbee chip power coupled end connects the 21st electric capacity one end, the 21st electric capacity other end ground connection, the 19th electric capacity and the
After 20 electric capacity parallel connections, one end connects zigbee chip power end, other end ground connection after the 19th electric capacity and the parallel connection of the 20th electric capacity, and the 1st is brilliant
Shake one end connection the 22nd electric capacity one end, the 22nd electric capacity other end ground connection, the 1st crystal oscillator other end connection the 23rd electric capacity one end, and the 23rd
The electric capacity other end is grounded, and the 22nd electric capacity one end is also connected with zigbee chip crystal oscillator end, and the 23rd electric capacity one end is also connected with zigbee core
Piece crystal oscillator end, the 2nd crystal oscillator one end connects the 28th electric capacity one end, the 28th electric capacity other end ground connection, and the 2nd crystal oscillator other end connects the 27th
Electric capacity one end, the 27th electric capacity other end ground connection, the 29th electric capacity one end connects zigbee chip voltage end, another termination of the 29th electric capacity
Ground, the 16th resistance one end connects zigbee chip biased electrical pressure side, the 16th resistance other end ground connection, and the 30th electric capacity one end connects
Zigbee chip voltage end, the 30th electric capacity other end ground connection, the 31st electric capacity one end connects zigbee chip voltage end, the 31st electric capacity
The other end is grounded, and the 32nd electric capacity one end connects zigbee chip voltage end, the 32nd electric capacity other end ground connection, and the 33rd electric capacity one end is even
Connect zigbee chip voltage end, the 33rd electric capacity other end ground connection, zigbee chip reset end connect respectively the 26th electric capacity one end and
15th resistance one end, the 26th electric capacity other end ground connection, the 15th resistance other end connects power end, and zigbee chip shows signal end
Connect the 14th resistance one end, the 14th resistance other end connects the 4th light emitting diode positive pole, the 4th light emitting diode minus earth,
Zigbee chip controls signal end connects the 11st resistance one end, and connecting terminal switchs one end and the 24th to the 11st resistance other end respectively
Electric capacity one end, the contact switch other end connects the 13rd resistance one end, the 13rd resistance other end ground connection, another termination of the 24th electric capacity
Ground, zigbee chip display signal end is also connected with the 12nd resistance one end, and the 12nd resistance other end is just connecting the 3rd light emitting diode
Pole, the 3rd light emitting diode minus earth, zigbee chip signal control end connects the 25th electric capacity one end, the 25th electric capacity other end
Ground connection.
Technique scheme have the beneficial effect that this zigbee modular circuit is rationally distributed, run safety and stability.
As shown in figure 3, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described cpu module includes:
Cpu chip reference voltage end connects the 1st resistance one end, and the 1st resistance other end connects power end, cpu chip data
Transmitting terminal connects the 2nd resistance one end and the 62nd electric capacity one end respectively, and the 2nd resistance other end connects can bus data receiving terminal, the
62 electric capacity other end ground connection, the 3rd resistance one end connects power end, and the 3rd resistance other end connects the 1st electric capacity one end and cpu respectively
Chip voltage end, the 1st electric capacity other end connects the 2nd electric capacity one end and ground connection respectively, and the 2nd electric capacity other end connects cpu chip electricity
Pressure side, the 2nd electric capacity one end is also connected with the 3rd electric capacity one end, the 3rd electric capacity other end connection cpu chip voltage end, the 4th electric capacity one end,
It is grounded after 5th electric capacity one end, the 6th electric capacity one end, the 7th electric capacity one end, the 8th electric capacity one end are in parallel, the 4th electric capacity other end connects
Cpu chip voltage end, the 5th electric capacity other end connects cpu chip voltage end, and the 6th electric capacity other end connects cpu chip voltage end,
The 7th electric capacity other end connects cpu chip voltage end, and the 8th electric capacity other end connects cpu chip voltage end, and can bus data sends
End connects the 5th resistance one end, and the 5th resistance other end connects the 4th resistance one end and cpu chip data receiving terminal, the 4th resistance respectively
The other end connects cpu chip voltage end and the 10th electric capacity one end respectively, the 10th electric capacity other end connect respectively the 9th electric capacity one end and
Ground connection, the 9th electric capacity other end is also connected with cpu chip data receiving terminal.
Technique scheme have the beneficial effect that described cpu module can stabilized treatment transmission data it is ensured that data run
Safety.
As shown in figure 4, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described dcdc module includes:
Power supply output cathode end connection the 11st electric capacity one end, the 11st electric capacity other end connection power supply output negative pole end, the 12nd
Electric capacity one end connects the 11st electric capacity one end and the 6th resistance one end respectively, and it is another that the 11st electric capacity other end connects the 11st electric capacity respectively
End and the 8th resistance one end, the 8th resistance other end connects the 7th resistance one end, and it is another that the 7th resistance other end connects the 6th resistance respectively
End and the 1st diode cathode, the 1st diode cathode connects the 6th resistance one end and the 63rd electric capacity one end respectively, the 63rd electric capacity one end
It is also connected with the 1st inductance one end, the 63rd electric capacity other end connects the 1st diode cathode and direct current stabilizer voltage end respectively, the 13rd
Power supply output negative pole end is connected, the 13rd electric capacity other end connects DC voltage-stabilizing respectively behind electric capacity one end and the parallel connection of the 14th electric capacity one end
Device thermal compensation signal end and the 9th resistance one end, the 9th resistance other end connects the 14th electric capacity other end, and the 2nd diode cathode connects the
14 electric capacity one end, the 2nd diode cathode connects the 17th electric capacity one end, and the 17th electric capacity other end connects direct current stabilizer boost terminal,
10th resistance one end connects voltage input end, and the 10th resistance other end connects direct current stabilizer clock end, and the 15th electric capacity one end is even
Connect direct current stabilizer triggering end, the 15th electric capacity other end connects power voltage input terminal, the 16th electric capacity one end connects supply voltage
Input, the 16th electric capacity other end connects the 18th electric capacity one end, and the 18th electric capacity other end connects direct current stabilizer voltage end.
Having the beneficial effect that of technique scheme carries out DC current conversion by dcdc module, processes for wireless intrinsic safety
Instrument transmits stabilized power source.
As shown in fig. 7, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that also include wireless signal circuit, institute
State wireless signal circuit to include: zigbee chip power end parallel connection the 40th electric capacity, the 40th electric capacity one end connection coil one end, the 41st
Electric capacity one end connects the coil other end, the 41st electric capacity other end ground connection, and the 41st electric capacity one end is also connected with the 18th resistance one end, and the 18th
The resistance other end connects the 7th diode cathode and the 8th diode cathode respectively, and the 8th diode cathode is also respectively connected with the 9th two pole
Pipe negative pole and the 19th resistance one end, the 7th diode cathode ground connection, the 8th diode cathode ground connection, the 9th diode cathode ground connection, the
The 19 resistance other ends connect the 1st electric fuse one end, and the 1st electric fuse other end connects the 42nd electric capacity one end and the 10th diode respectively
Negative pole, the 42nd electric capacity other end connects the 43rd electric capacity one end and signal demodulation coil-end respectively, and the 43rd electric capacity other end connects respectively
Connect the 11st diode cathode and ground connection.
Having the beneficial effect that of technique scheme is combined with wireless zigbee module by wireless signal circuit, carries out
The modulation and demodulation operation of signal, signal transmission is more reliable and more stable.
As shown in fig. 6, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described crystal oscillator voltage module includes:
Crystal oscillator voltage output end connects inductance one end, inductance in parallel the 34th electric capacity, and the 34th electric capacity one end connects the 1st respectively
Effect pipe emitter stage and the 2nd field effect transistor emitter stage, the 1st field effect transistor colelctor electrode connects the 16th resistance one end and the 38th electricity respectively
Hold one end, the 1st field effect transistor base stage connects the 16th resistance other end and the 5th diode cathode respectively, the 5th diode cathode is respectively
Connect the 34th electric capacity other end and the 35th electric capacity one end, the 35th electric capacity other end connects the 5th diode cathode, and the 5th diode is just
Pole is also connected with the 6th diode cathode, and the 6th diode cathode connects the 2nd field effect transistor base stage and the 36th electric capacity one end respectively, and the 36th
The electric capacity other end connects the 35th electric capacity one end, and the 2nd field effect transistor base stage is also connected with the 17th resistance one end, another termination of the 17th resistance
Ground, the 17th resistance other end is also connected with the 37th electric capacity one end, and the 37th electric capacity other end connects crystal oscillator voltage output end and the respectively
The 38 electric capacity other ends, the 38th electric capacity one end is also connected with the 39th electric capacity one end, the 39th electric capacity other end ground connection.
Having the beneficial effect that of technique scheme carries out the voltage output with frequency stable by crystal oscillator voltage module,
It is signal modulation module and demodulation module carries out voltage output.
As shown in figure 8, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described signal modulation module includes:
Positive source outfan connects the 44th electric capacity one end and the 20th resistance one end respectively, and the 44th electric capacity other end connects respectively
Connect the 12nd diode cathode and the 1st output end of voltage stabilizer, the 12nd diode cathode connects the 1st manostat input, the 1st manostat
Outfan is also connected with the 50th electric capacity one end, and the 2nd manostat input connects the 20th resistance one end, and the 20th resistance other end connects the
21 resistance one end, the 21st resistance other end ground connection, the 2nd output end of voltage stabilizer connects the 50th electric capacity one end, the 50th electric capacity other end
Connect the 51st electric capacity one end and independent voltage input respectively, the 50th electric capacity one end is also connected with the 13rd diode cathode, the 13rd 2
Pole pipe positive pole connects the 14th diode cathode and independent voltage input respectively, and the 14th diode cathode connects the 15th 2 pole respectively
Pipe negative pole and the 51st electric capacity other end, the 15th diode cathode ground connection, voltage signal inputs connection the 22nd resistance one end, the 22nd
The resistance other end connects the 45th electric capacity one end and the 23rd resistance one end, the 45th electric capacity other end ground connection respectively, and the 23rd resistance is another
End connects the 1st operational amplifier electrode input end, and the 1st operational amplifier negative input connects the 24th resistance one end, the 24th electricity
The resistance other end connects the 46th electric capacity one end and the 47th electric capacity one end, the 46th electric capacity other end ground connection, the 47th electric capacity other end respectively
Connect the 1st operational amplifier output terminal and the 25th resistance one end respectively, the 25th resistance other end connects the 48th electric capacity one end respectively
With signal modulation coil-end, the 48th electric capacity other end ground connection, signal modulation coil-end is also connected with the 3rd audion source electrode, the 3rd three pole
Pipe drain electrode connects the 4th audion drain electrode the 49th electric capacity one end respectively, and the 4th audion source electrode connects feedback signal terminal, the 4th audion
Grid connects the 26th resistance one end and the 27th resistance one end respectively, the 26th resistance other end connect respectively the 49th electric capacity other end and
Ground connection, the 27th resistance other end connects the 3rd audion grid and the 28th resistance one end respectively, the 28th resistance other end brief introduction the 14th
Diode cathode.
Technique scheme have the beneficial effect that this signal modulation module circuit safety is stable, the speed of service is fast, low cost
Honest and clean.
As shown in figure 9, described wireless telecommunications intrinsic safety signal processing instrument is it is preferred that described signal demodulation module includes:
Crystal oscillator voltage input end connects the 16th diode cathode and the 29th resistance one end respectively, and the 29th resistance other end is respectively
Connect the 30th resistance one end and the 5th audion grid, the 5th audion source electrode connects signal demodulating end, and the 5th audion drain electrode is respectively
Connect the 30th resistance other end and ground connection, the 30th resistance other end is also connected with the 54th electric capacity one end, the 54th electric capacity other end connects
31st resistance one end, the 31st resistance other end connects the 55th electric capacity one end and the 32nd resistance one end respectively, the 55th electric capacity other end
Ground connection, the 32nd resistance other end connects the 2nd operational amplifier electrode input end, and the 2nd operational amplifier negative input connects the
33 resistance one end, the 33rd resistance other end connects the 56th electric capacity one end and the 34th resistance one end respectively, the 56th electric capacity other end and
The 34th resistance other end is grounded after connecting, and the 16th diode cathode connects the 52nd electric capacity one end respectively, and the 52nd electric capacity other end is even
Connect the 53rd electric capacity one end, the 53rd electric capacity other end ground connection, the 3rd manostat input connects 52 electric capacity one end, the 3rd manostat output
End connects the 18th diode cathode and the 61st electric capacity one end respectively, and the 18th diode cathode connects the 61st electric capacity other end and is followed by
Ground, the 61st electric capacity one end is also connected with 5v voltage output end, the 2nd operational amplifier output terminal connection the 6th audion grid, and the 6th three
Pole pipe drain electrode connects the 34th resistance one end, and the 6th audion source electrode connects the 35th resistance one end and the 60th electric capacity one end, 5v electricity respectively
Pressure outfan connects the 19th diode cathode, and the 19th diode cathode connects the 58th electric capacity one end and current voltage regulator boosting respectively
End, the 58th electric capacity other end connects the 2nd inductance one end and current voltage regulator switch terminals respectively, and the 2nd inductance one end is also connected with the 20th
Diode cathode, the 20th diode cathode connects the 59th electric capacity one end and current voltage regulator earth terminal respectively, and the 59th electric capacity is another
End connects the 2nd inductance other end, and the 2nd inductance other end is also respectively connected with the 21st diode cathode and the 60th electric capacity one end, and the 21st
Diode cathode connects current voltage regulator feedback end and the 35th resistance one end respectively, and the 35th resistance other end connects the 60th electricity respectively
Hold the other end and electric current output negative pole end, the 60th electric capacity one end is also connected with the 22nd diode cathode, the 22nd diode cathode connects
Electric current output cathode end.
Technique scheme have the beneficial effect that this signal demodulation module reasonable circuit layout, run safety and stability.
As shown in Fig. 2 the present invention is to add zigbee module in guard grating (isolator), it (is isolated with guard grating
Device) mcu be connected, read-write mcu in data, be read-write data more rapidly and efficiently.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
Multiple changes, modification, replacement and modification can be carried out to these embodiments in the case of the principle of the disengaging present invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of wireless telecommunications intrinsic safety signal processing instrument is it is characterised in that include: wireless zigbee module by signal control end is even
Connect cpu module wireless signal control end, wireless zigbee module by signal demodulating end connects signal demodulation module signal end, and signal is adjusted
Molding block modulated signal end connects signal demodulation module demodulated signal end, and cpu module controlling switch signal end connects controlling switch
Module by signal end, cpu module by signal modulated signal end connects signal modulation module modulation control end, signal modulation module power end
Connect crystal oscillator voltage module outfan, crystal oscillator voltage module input connects dcdc module outfan, dcdc module input is even
Connect guard grating power output end, guard grating power output end is also connected with signal demodulation module power input.
2. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 is it is characterised in that described wireless zigbee mould
Block includes:
Zigbee chip power coupled end connects the 21st electric capacity one end, the 21st electric capacity other end ground connection, the 19th electric capacity and the 20th electricity
After holding parallel connection, one end connects zigbee chip power end, other end ground connection after the 19th electric capacity and the parallel connection of the 20th electric capacity, the 1st crystal oscillator one
End connects the 22nd electric capacity one end, the 22nd electric capacity other end ground connection, and the 1st crystal oscillator other end connects the 23rd electric capacity one end, the 23rd electric capacity
The other end is grounded, and the 22nd electric capacity one end is also connected with zigbee chip crystal oscillator end, and it is brilliant that the 23rd electric capacity one end is also connected with zigbee chip
Shake end, and the 2nd crystal oscillator one end connects the 28th electric capacity one end, the 28th electric capacity other end ground connection, and the 2nd crystal oscillator other end connects the 27th electric capacity
One end, the 27th electric capacity other end ground connection, the 29th electric capacity one end connects zigbee chip voltage end, and the 29th electric capacity other end is grounded,
16th resistance one end connects zigbee chip biased electrical pressure side, the 16th resistance other end ground connection, and the 30th electric capacity one end connects
Zigbee chip voltage end, the 30th electric capacity other end ground connection, the 31st electric capacity one end connects zigbee chip voltage end, the 31st electric capacity
The other end is grounded, and the 32nd electric capacity one end connects zigbee chip voltage end, the 32nd electric capacity other end ground connection, and the 33rd electric capacity one end is even
Connect zigbee chip voltage end, the 33rd electric capacity other end ground connection, zigbee chip reset end connect respectively the 26th electric capacity one end and
15th resistance one end, the 26th electric capacity other end ground connection, the 15th resistance other end connects power end, and zigbee chip shows signal end
Connect the 14th resistance one end, the 14th resistance other end connects the 4th light emitting diode positive pole, the 4th light emitting diode minus earth,
Zigbee chip controls signal end connects the 11st resistance one end, and connecting terminal switchs one end and the 24th to the 11st resistance other end respectively
Electric capacity one end, the contact switch other end connects the 13rd resistance one end, the 13rd resistance other end ground connection, another termination of the 24th electric capacity
Ground, zigbee chip display signal end is also connected with the 12nd resistance one end, and the 12nd resistance other end is just connecting the 3rd light emitting diode
Pole, the 3rd light emitting diode minus earth, zigbee chip signal control end connects the 25th electric capacity one end, the 25th electric capacity other end
Ground connection.
3. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 and 2 is it is characterised in that described cpu module bag
Include:
Cpu chip reference voltage end connects the 1st resistance one end, and the 1st resistance other end connects power end, and cpu chip data sends
End connects the 2nd resistance one end and the 62nd electric capacity one end respectively, and the 2nd resistance other end connects can bus data receiving terminal, the 62nd electricity
Hold other end ground connection, the 3rd resistance one end connects power end, and the 3rd resistance other end connects the 1st electric capacity one end and cpu chip respectively
Voltage end, the 1st electric capacity other end connects the 2nd electric capacity one end and ground connection respectively, and the 2nd electric capacity other end connects cpu chip voltage end,
2nd electric capacity one end is also connected with the 3rd electric capacity one end, and the 3rd electric capacity other end connects cpu chip voltage end, the 4th electric capacity one end, the 5th electricity
It is grounded after appearance one end, the 6th electric capacity one end, the 7th electric capacity one end, the 8th electric capacity one end are in parallel, the 4th electric capacity other end connects cpu chip
Voltage end, the 5th electric capacity other end connects cpu chip voltage end, and the 6th electric capacity other end connects cpu chip voltage end, the 7th electric capacity
The other end connects cpu chip voltage end, and the 8th electric capacity other end connects cpu chip voltage end, and can bus data transmitting terminal connects
5th resistance one end, the 5th resistance other end connects the 4th resistance one end and cpu chip data receiving terminal, the 4th resistance other end respectively
Connect cpu chip voltage end and the 10th electric capacity one end respectively, the 10th electric capacity other end connects the 9th electric capacity one end and ground connection respectively,
The 9th electric capacity other end is also connected with cpu chip data receiving terminal.
4. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 is it is characterised in that described dcdc module bag
Include:
Power supply output cathode end connects the 11st electric capacity one end, and the 11st electric capacity other end connects power supply output negative pole end, the 12nd electric capacity
One end connects the 11st electric capacity one end and the 6th resistance one end respectively, the 11st electric capacity other end connect respectively the 11st electric capacity other end and
8th resistance one end, the 8th the resistance other end connect the 7th resistance one end, the 7th resistance other end connect respectively the 6th resistance other end and
1st diode cathode, the 1st diode cathode connects the 6th resistance one end and the 63rd electric capacity one end respectively, and the 63rd electric capacity one end also connects
Connect the 1st inductance one end, the 63rd electric capacity other end connects the 1st diode cathode and direct current stabilizer voltage end respectively, the 13rd electric capacity
Power supply output negative pole end is connected, the 13rd electric capacity other end connects direct current stabilizer respectively and mends behind one end and the parallel connection of the 14th electric capacity one end
Repay signal end and the 9th resistance one end, the 9th resistance other end connects the 14th electric capacity other end, the 2nd diode cathode connects the 14th electricity
Appearance one end, the 2nd diode cathode connection the 17th electric capacity one end, the 17th electric capacity other end connection direct current stabilizer boost terminal, the 10th
Resistance one end connects voltage input end, and the 10th resistance other end connects direct current stabilizer clock end, and the 15th electric capacity one end connects straight
Stream manostat triggering end, the 15th electric capacity other end connects power voltage input terminal, and the 16th electric capacity one end connects supply voltage input
End, the 16th electric capacity other end connects the 18th electric capacity one end, and the 18th electric capacity other end connects direct current stabilizer voltage end.
5. wireless telecommunications intrinsic safety signal processing instrument according to claim 2 is it is characterised in that also include wireless signal electricity
Road, described wireless signal circuit includes: zigbee chip power end parallel connection the 40th electric capacity, the 40th electric capacity one end connects coil one
End, the 41st electric capacity one end connects the coil other end, the 41st electric capacity other end ground connection, and the 41st electric capacity one end is also connected with the 18th resistance one
End, the 18th resistance other end connects the 7th diode cathode and the 8th diode cathode respectively, and the 8th diode cathode is also respectively connected with
9th diode cathode and the 19th resistance one end, the 7th diode cathode ground connection, the 8th diode cathode ground connection, the 9th diode cathode
Ground connection, the 19th resistance other end connects the 1st electric fuse one end, and the 1st electric fuse other end connects the 42nd electric capacity one end and the respectively
10 diode cathodes, the 42nd electric capacity other end connects the 43rd electric capacity one end and signal demodulation coil-end respectively, and the 43rd electric capacity is another
End connects the 11st diode cathode and ground connection respectively.
6. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 is it is characterised in that described crystal oscillator voltage module
Including:
Crystal oscillator voltage output end connects inductance one end, inductance in parallel the 34th electric capacity, and the 34th electric capacity one end connects the 1st field effect respectively
Pipe emitter stage and the 2nd field effect transistor emitter stage, the 1st field effect transistor colelctor electrode connects the 16th resistance one end and the 38th electric capacity one respectively
End, the 1st field effect transistor base stage connects the 16th resistance other end and the 5th diode cathode respectively, and the 5th diode cathode connects respectively
The 34th electric capacity other end and the 35th electric capacity one end, the 35th electric capacity other end connects the 5th diode cathode, and the 5th diode cathode is also
Connect the 6th diode cathode, the 6th diode cathode connects the 2nd field effect transistor base stage and the 36th electric capacity one end respectively, the 36th electric capacity
The other end connects the 35th electric capacity one end, and the 2nd field effect transistor base stage is also connected with the 17th resistance one end, the 17th resistance other end ground connection,
The 17th resistance other end is also connected with the 37th electric capacity one end, and the 37th electric capacity other end connects crystal oscillator voltage output end and the 38th electricity respectively
Hold the other end, the 38th electric capacity one end is also connected with the 39th electric capacity one end, the 39th electric capacity other end ground connection.
7. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 is it is characterised in that described signal modulation module
Including:
Positive source outfan connects the 44th electric capacity one end and the 20th resistance one end respectively, and the 44th electric capacity other end connects respectively
12 diode cathodes and the 1st output end of voltage stabilizer, the 12nd diode cathode connects the 1st manostat input, the 1st manostat output
End is also connected with the 50th electric capacity one end, and the 2nd manostat input connects the 20th resistance one end, and the 20th resistance other end connects the 21st electricity
Resistance one end, the 21st resistance other end ground connection, the 2nd output end of voltage stabilizer connects the 50th electric capacity one end, and the 50th electric capacity other end is respectively
Connect the 51st electric capacity one end and independent voltage input, the 50th electric capacity one end is also connected with the 13rd diode cathode, the 13rd diode
Positive pole connects the 14th diode cathode and independent voltage input respectively, and the 14th diode cathode connects the 15th diode respectively and bears
Pole and the 51st electric capacity other end, the 15th diode cathode ground connection, voltage signal inputs connect the 22nd resistance one end, the 22nd resistance
The other end connects the 45th electric capacity one end and the 23rd resistance one end, the 45th electric capacity other end ground connection respectively, and the 23rd resistance other end is even
Connect the 1st operational amplifier electrode input end, the 1st operational amplifier negative input connects the 24th resistance one end, and the 24th resistance is another
One end connects the 46th electric capacity one end and the 47th electric capacity one end, the 46th electric capacity other end ground connection respectively, and the 47th electric capacity other end is respectively
Connect the 1st operational amplifier output terminal and the 25th resistance one end, the 25th resistance other end connects the 48th electric capacity one end and letter respectively
Number modulation coil end, the 48th electric capacity other end ground connection, signal modulation coil-end is also connected with the 3rd audion source electrode, the 3rd audion leakage
Pole connects the 4th audion drain electrode the 49th electric capacity one end respectively, and the 4th audion source electrode connects feedback signal terminal, the 4th audion grid
Connect the 26th resistance one end and the 27th resistance one end respectively, the 26th resistance other end connects the 49th electric capacity other end respectively and connects
Ground, the 27th resistance other end connects the 3rd audion grid and the 28th resistance one end respectively, the 28th resistance other end brief introduction the 14th 2
Pole pipe negative pole.
8. wireless telecommunications intrinsic safety signal processing instrument according to claim 1 is it is characterised in that described signal demodulation module
Including:
Crystal oscillator voltage input end connects the 16th diode cathode and the 29th resistance one end respectively, and the 29th resistance other end connects respectively
30th resistance one end and the 5th audion grid, the 5th audion source electrode connects signal demodulating end, and the 5th audion drain electrode connects respectively
The 30th resistance other end and ground connection, the 30th resistance other end is also connected with the 54th electric capacity one end, and the 54th electric capacity other end connects the 31st
Resistance one end, the 31st resistance other end connects the 55th electric capacity one end and the 32nd resistance one end respectively, the 55th electric capacity other end ground connection,
The 32nd resistance other end connects the 2nd operational amplifier electrode input end, and the 2nd operational amplifier negative input connects the 33rd resistance
One end, the 33rd resistance other end connects the 56th electric capacity one end and the 34th resistance one end respectively, the 56th electric capacity other end and the 34th electricity
The resistance other end is grounded after connecting, and the 16th diode cathode connects the 52nd electric capacity one end respectively, and the 52nd electric capacity other end connects the 53rd
Electric capacity one end, the 53rd electric capacity other end ground connection, the 3rd manostat input connects 52 electric capacity one end, and the 3rd output end of voltage stabilizer is respectively
Connect the 18th diode cathode and the 61st electric capacity one end, the 18th diode cathode is grounded after connecting the 61st electric capacity other end, the 61st
Electric capacity one end is also connected with 5v voltage output end, and the 2nd operational amplifier output terminal connects the 6th audion grid, the 6th audion drain electrode
Connect the 34th resistance one end, the 6th audion source electrode connects the 35th resistance one end and the 60th electric capacity one end, 5v voltage output end respectively
Connect the 19th diode cathode, the 19th diode cathode connects the 58th electric capacity one end and current voltage regulator boost terminal respectively, the 58th
The electric capacity other end connects the 2nd inductance one end and current voltage regulator switch terminals respectively, and the 2nd inductance one end is also connected with the 20th diode and bears
Pole, the 20th diode cathode connects the 59th electric capacity one end and current voltage regulator earth terminal respectively, and the 59th electric capacity other end connects the 2nd
The inductance other end, the 2nd inductance other end is also respectively connected with the 21st diode cathode and the 60th electric capacity one end, the 21st diode cathode
Connect current voltage regulator feedback end and the 35th resistance one end respectively, the 35th resistance other end connect respectively the 60th electric capacity other end and
Electric current output negative pole end, the 60th electric capacity one end is also connected with the 22nd diode cathode, and the 22nd diode cathode connects electric current and just exports
Extremely.
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|---|---|---|---|
| CN201610784768.1A CN106375028B (en) | 2016-08-31 | 2016-08-31 | Wireless communication intrinsic safety signal processing instrument |
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| CN109714764A (en) * | 2018-12-29 | 2019-05-03 | 浙江中控自动化仪表有限公司 | A kind of guard grating configuration delivery method |
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| CN106375028B (en) | 2020-04-07 |
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