CN206370828U

CN206370828U - A kind of R-T unit and monitoring system

Info

Publication number: CN206370828U
Application number: CN201720093011.8U
Authority: CN
Inventors: 李勇
Original assignee: Guangzhou Big Color Photoelectric Technology Co Ltd
Current assignee: Guangzhou Big Color Photoelectric Technology Co Ltd
Priority date: 2017-01-22
Filing date: 2017-01-22
Publication date: 2017-08-01
Anticipated expiration: 2027-01-22

Abstract

The utility model is related to a kind of R-T unit and monitoring system, belongs to technical field of integrated circuits.The R-T unit includes：Wireless serial screen and the conversion equipment used cooperatively with the wireless serial screen, the wireless serial screen include：First controller, the first radio communication circuit and the first power supply.The conversion equipment includes：Second controller, the second radio communication circuit, second source and serial ports.The wireless serial screen, can not only be communicated by wired mode with external equipment, but also wirelessly can be communicated with external equipment；The conversion equipment makes its external equipment for not possessing radio communication function realize communication remote between wireless serial screen, it is met greater demand on the basis of the general frame of external equipment is ensured.The utility model possess it is simple in construction, practical, conveniently, low cost and the advantages of high efficiency.

Description

A kind of R-T unit and monitoring system

Technical field

The utility model belongs to technical field of integrated circuits, and in particular to a kind of R-T unit and monitoring system.

Background technology

With industrial or agricultural and the development of science and technology, the continuous improvement of living standards of the people, various electronic equipments are increasing The life of people is entered, while bringing convenient, people also propose higher requirement to it, for example, in peace Entirely, higher requirement is proposed in terms of convenient, intelligent and multi-functional.Wherein, serial ports screen no exception to serial ports screen, current Can only be communicated by serial ports with external equipment (for example, computer), i.e., current serial ports screen can only by way of cable with External equipment (for example, computer) is communicated.Secondly, some external equipments do not possess radio communication function, such as common platform Formula computer, these equipment can not realize telecommunication.Requirement more and more higher with people to serial ports screen, this class serial ports screen Can not meet the demand of telecommunication, be badly in need of updating, therefore, how the general frame for ensureing serial ports screen base On plinth, it is met greater demand, become industry circle focus of attention.

Utility model content

In consideration of it, the purpose of this utility model is to provide a kind of R-T unit and monitoring system, on effectively improving State problem.

What embodiment of the present utility model was realized in：

The utility model embodiment provides a kind of R-T unit, including：Wireless serial screen and with the wireless serial screen The conversion equipment used cooperatively.The wireless serial screen includes：First controller, the first radio communication circuit and the first power supply. First radio communication circuit is coupled with first controller, first power supply respectively with first controller and institute State the coupling of the first radio communication circuit.The conversion equipment includes：Second controller, the second radio communication circuit, second source And serial ports.The data terminal of the second controller and the serial interfaces, second radio communication circuit and the described second control Device coupling processed, the second source is coupled with the second controller and second radio communication circuit respectively.

In the utility model preferred embodiment, first radio communication circuit includes：Filter circuit, wireless receiving and dispatching Device, oscillating circuit, match circuit and antenna, the filter circuit are coupled with the power end of the wireless transceiver, the vibration Circuit is coupled with the crystal oscillator end of the wireless transceiver, one end of the match circuit and the antenna end coupling of the wireless transceiver Close, the other end of the match circuit is coupled with the antenna.

In the utility model preferred embodiment, the filter circuit includes：First electric capacity and the second electric capacity, described Power end of the one end of one end of one electric capacity and second electric capacity with the wireless transceiver is coupled, first electric capacity The other end of the other end and second electric capacity is grounded.

In the utility model preferred embodiment, the oscillating circuit includes：Crystal oscillator, the 3rd electric capacity and the 4th electric capacity, One end of the crystal oscillator is by the 3rd capacity earth, and the other end of the crystal oscillator is described by the 4th capacity earth One end of crystal oscillator is also connected with the first crystal oscillator end of the wireless transceiver, the other end of the crystal oscillator also with the wireless receiving and dispatching The second crystal oscillator end connection of device.

In the utility model preferred embodiment, the oscillating circuit also includes：First resistor, one end of the crystal oscillator One end also with the first resistor is connected, and the other end of the other end of the crystal oscillator also with the first resistor is connected.

In the utility model preferred embodiment, the match circuit includes：First inductance, the second inductance, the 3rd electricity Sense, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity and the 8th electric capacity, one end of first inductance and the one of the 5th electric capacity End connection, the other end of the 5th electric capacity is connected with the antenna, and the other end of the 5th electric capacity also passes through the described 6th Capacity earth, the other end of first inductance is coupled with the second antenna end of the wireless transceiver, first inductance The one end of the other end also with second inductance is connected, and one end of the other end of second inductance and the 3rd inductance connects Connect, the other end of the 3rd inductance is connected with one end of the 7th electric capacity and one end of the 8th electric capacity respectively, described The other end of the other end of 7th electric capacity and the 8th electric capacity is grounded, the other end of second inductance also with it is described wireless The first antenna end coupling of transceiver.

In the utility model preferred embodiment, second radio communication circuit and first radio communication circuit It is identical.

In the utility model preferred embodiment, the conversion equipment also includes：Housing, the second controller, institute State the second radio communication circuit, the second source and the serial ports to may be contained within the housing, be provided with the housing Opening for installing the serial ports.

In the utility model preferred embodiment, the second controller, second radio communication circuit, described Two power supplys and the serial ports it is integrated on circuit boards, the circuit board is arranged in the housing.

The utility model embodiment additionally provides a kind of monitoring system, including：Master control borad and above-mentioned R-T unit, it is described Master control borad is coupled with the conversion equipment in the R-T unit.

The utility model embodiment provides a kind of R-T unit and monitoring system.The R-T unit includes：Wireless serial Screen and the conversion equipment used cooperatively with the wireless serial screen.Wherein, the wireless serial screen includes：First controller, first Radio communication circuit and the first power supply；First radio communication circuit can carry out long range wireless communication with external equipment, and will The data information transfer received gives the first controller, or the data information transfer that the first controller is sent to go out.This turn Exchange device includes：Second controller, the second radio communication circuit, second source and serial ports；The conversion equipment can be by external equipment The data message long-distance transmissions of transmission are gone out, further, and the data message that external equipment is sent is sent to second by serial ports Controller is handled, and second controller goes out the data message after processing through the second radio communication circuit long-distance transmissions, Or second radio communication circuit by the data information transfer received to second controller, second controller is to the number that receives It is believed that breath is sent to external equipment after being handled through serial ports.The wireless serial screen, can not only pass through wired mode and outside Equipment is communicated, but also wirelessly can be communicated with external equipment；The conversion equipment is outside guarantee On the basis of the general frame of equipment, its external equipment for not possessing radio communication function is set to realize at a distance and wireless serial Communication between screen, makes it meet greater demand.The utility model possess it is simple in construction, practical, conveniently, low cost and high efficiency The advantages of.

Other feature and advantage of the present utility model will illustrate in subsequent specification, also, partly from specification Become apparent, or understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can Realize and obtain by specifically noted structure in the specification, claims and accompanying drawing write.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other accompanying drawings.By the way that shown in accompanying drawing, above and other purpose of the present utility model, feature and advantage will more Clearly.Identical reference indicates identical part in whole accompanying drawings.Do not painted by actual size equal proportion scaling deliberately Accompanying drawing processed, it is preferred that emphasis is show purport of the present utility model.

Fig. 1 shows a kind of structured flowchart for R-T unit that the utility model embodiment is provided.

Fig. 2 shows the circuit theory diagrams of the first radio communication circuit in Fig. 1 that the utility model embodiment is provided.

Fig. 3 shows the circuit theory diagrams of the first power supply in Fig. 1 that the utility model embodiment is provided.

Fig. 4 shows the structural representation of the R-T unit in Fig. 1 that the utility model embodiment is provided.

Fig. 5 shows a kind of structured flowchart for monitoring system that the utility model embodiment is provided.

Icon：100- R-T units；10- wireless serial screens；The controllers of 11- first；The radio communications of 13- first electricity Road；131- wireless transceivers；132- filter circuits；133- oscillating circuits；134- match circuits；135- antennas；17- One power supply；20- conversion equipments；21- second controllers；The radio communication circuits of 23- second；27- serial ports；The electricity of 29- second Source；31- housings；32- is open；33- circuit boards；200- monitoring systems；210- master control borads.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.

, it is necessary to explanation, term " on ", " under ", "left", "right", " interior ", " outer " etc. in description of the present utility model The orientation or position relationship of instruction are that, based on orientation shown in the drawings or position relationship, or the utility model product is when using The orientation or position relationship usually put, are for only for ease of description the utility model and simplify description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right Limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that referring to Show or imply relative importance.

In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection ", " coupling " should be interpreted broadly, for example, it may be being fixedly connected or removable Connection is unloaded, or is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be in Between medium be indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can be specific Situation understands concrete meaning of the above-mentioned term in the utility model.

The utility model provides a kind of R-T unit 100, as shown in Figure 1.The R-T unit 100 includes：Wireless serial Screen 10 and the conversion equipment 20 used cooperatively with the wireless serial screen 10.

The wireless serial screen 10 includes：First controller 11, the first radio communication circuit 13 and the first power supply 17.

First controller 11 is used for the data message for receiving the transmission of the first radio communication circuit 13, and the data are believed Breath is handled, for example, by decoding, than peer processes, identifying the data message, and go control phase according to the result of identification The component answered performs corresponding operation.For example, the data message identified is plays music, then the first controller 11 sends and broadcast Instruction of putting the music on goes control music player to play music.Or, the control information that first controller 11 triggers user Sent after processing identification through the first radio communication circuit 13, realize the telecommunication between external equipment.

Wherein, first controller 11 can be a kind of IC chip, the disposal ability with signal.Above-mentioned First controller 11 can be general processor, including central processing unit (Central Processing Unit, CPU), network Processor (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal Processing, DSP), it is application specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing Into programmable gate array (Field Programmable Gate Array, FPGA) or other PLDs, discrete Door or transistor logic, discrete hardware components.General processor can be that microprocessor or the processor can also It is any conventional processor etc..In the present embodiment, preferably described first controller 11 selects STM32F103RBT6 high-performance Chip.

Due to existing serial ports screen, can only by way of serial ports (i.e. cable) with external equipment (for example, computer) carry out Communication, it is impossible to long range wireless communication, therefore want to realize long range wireless communication, it is to avoid what is connected with cable is cumbersome, and It can not realize and be connected with cable in some occasions.Then serial ports screen need to possess radio communication function, in the present embodiment, preferably Ground, long-distance transmissions are realized using the first radio communication circuit 13.The energy of first radio communication circuit 13 and external equipment Long range wireless communication is carried out, and the first controller 11 is given by the data information transfer received, or by the first controller 11 The data information transfer of transmission is gone out.Further, first radio communication circuit 13 is coupled with first controller 11. In the present embodiment, as shown in Figure 2, it is preferable that first radio communication circuit 13 includes：Filter circuit 132, wireless receiving and dispatching Device 131, oscillating circuit 133, match circuit 134 and antenna 135.

The wireless transceiver 131 is used to receiving the data message that is received through the antenna 135, and is transmitted to the One controller 11, or the data message that the first controller 11 is sent are sent through antenna 135.Further, as in Fig. 2 Middle upper broken line frame shown in, the wireless transceiver 131 includes：Enable Pin (CE), piece select end (CSN), signal end (SCK), Data input pin (MOSI), data output end (MISO), the middle broken ends of fractured bone (IRQ), power end (VDD), power supply ground (VSS), first brilliant Shake end (XC1), the second crystal oscillator end (XC2), feeder ear (VDD_PA), first antenna end (ANT1), the second antenna end (ANT2), ginseng Examine end (IREF) and digital power output end (DVDD).The Enable Pin (CE), piece select end (CSN), signal end (SCK), data defeated Enter end (MOSI), data output end (MISO) and the middle broken ends of fractured bone (IRQ) to be connected with the first controller 11.Crystal oscillator end (the first crystal oscillator End (XC1) and the second crystal oscillator end (XC2)) coupled with oscillating circuit 133.Antenna end (first antenna end (ANT1) and the second antenna End (ANT2)) coupled with one end of the match circuit 134, power end (VDD) is coupled with the filter circuit 132.The electricity Source (VSS), reference edge (IREF), feeder ear (VDD_PA) and digital power output end (DVDD) be grounded.

Wherein, the chip U1 in Fig. 2 is wireless transceiver 131, port 1 therein, port 2, port 3, port 4, port 5 It is used to be connected with the first controller 11 with port 6.

Preferably, as shown in the left side dotted line frame in Fig. 2, the filter circuit 132 includes：The electricity of first electric capacity C1 and second Power end of appearance C2, one end of the first electric capacity C1 and the second electric capacity C2 one end with the wireless transceiver 131 (VDD) couple, the other end of the other end of the first electric capacity C1 and the second electric capacity C2 is grounded.

Preferably, as shown in lower dotted line frame in Fig. 2, the oscillating circuit 133 includes：Crystal oscillator Y1, the 3rd electric capacity C3 With the 4th electric capacity C4, one end of the crystal oscillator Y1 is grounded by the 3rd electric capacity C3, and the other end of the crystal oscillator Y1 passes through institute The 4th electric capacity C4 ground connection is stated, one end of the crystal oscillator Y1 is also connected with the first crystal oscillator end (XC1) of the wireless transceiver 131, The other end of the crystal oscillator Y1 is also connected with the second crystal oscillator end (XC2) of the wireless transceiver 131.It is excellent in the present embodiment Selection of land, the oscillating circuit 133 also includes：First resistor R1, the crystal oscillator Y1 one end also with the first resistor R1 one End connection, the other end of the other end of the crystal oscillator Y1 also with the first resistor R1 is connected.

Preferably, as shown in the right dotted line frame in Fig. 2, the match circuit 134 includes：First inductance L1, the second electricity Feel L2, the 3rd inductance L3, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7 and the 8th electric capacity C8.The first inductance L1's One end is connected with one end of the 5th electric capacity C5, and the other end of the 5th electric capacity C5 is connected with the antenna 135, and described The five electric capacity C5 other end is also grounded by the 6th electric capacity C6.The other end of the first inductance L1 and the wireless receiving and dispatching The second antenna end (ANT2) coupling of device 131, the other end of the first inductance L1 also connects with one end of the second inductance L2 Connect, the other end of the second inductance L2 is connected with one end of the 3rd inductance L3, the other end point of the 3rd inductance L3 It is not connected with one end of the 7th electric capacity C7 and one end of the 8th electric capacity C8, the other end of the 7th electric capacity C7 and institute The other end for stating the 8th electric capacity C8 is grounded；The other end of the second inductance L2 also with the wireless transceiver 131 first Antenna end (ANT1) is coupled.

Preferably, as shown in the right dotted line frame in Fig. 2, the antenna 135 is used for the radio frequency for receiving external equipment transmission Signal, and the matched circuit 134 of the radiofrequency signal is transferred to wireless transceiver 131, or wireless transceiver 131 is sent Radiofrequency signal is sent.Further, the antenna 135 is connected with the other end of the 5th electric capacity C5 in match circuit 134. Wherein, the antenna 135 can be the aerial coil often used at present.

First power supply 17 is used to be that the first controller 11 and the first radio communication circuit 13 provide power supply, can be just Often work.Further, first power supply 17 respectively with first controller 11 and first radio communication circuit 13 Coupling.In the present embodiment, it is preferable that as shown in figure 3, first power supply 17 includes：Dc source and voltage-stabilized power supply.

The voltage-stabilized power supply is used for the power supply output that the DC voltage that exports dc source is further converted to 3.3V.In In the present embodiment, as shown in figure 3, it is preferred that the mu balanced circuit includes：Voltage stabilizing chip U2, the tenth electric capacity C10,3rd resistor R3, 4th resistance R4 and the 11st electric capacity C11.The voltage stabilizing chip U2 includes：Input, adjustable side and output end.The voltage stabilizing core Piece U2 input is connected by 3rd resistor R3 with the first voltage stabilizing chip U2 output end.The input of the voltage stabilizing chip U2 Also it is grounded by the tenth electric capacity C10, the adjustable side of the voltage stabilizing chip U2 is connected by 3rd resistor R3 with its output end, described Voltage stabilizing chip U2 adjustable side is also grounded by the 4th resistance R4, the output end of the voltage stabilizing chip U2 by 3rd resistor R3 and It is grounded after 4th resistance R4 series connection, the output end of the voltage stabilizing chip U2 is also grounded by the 11st electric capacity C11.Wherein, through steady The voltage for pressing chip U2 output end output is 3.3V, can be that the component in wireless serial screen 10 is powered.For example, the first control The wireless transceiver circuit of device 11 and first processed.

Wherein, the Vi ports in Fig. 3 are used to connect dc source.

In the present embodiment, it is preferable that the dc source can be rechargeable battery, such as rechargeable battery is using wired Mode charges, such as：Supplying cell is provided with wired charging inlet, and charging wire connects wired charging inlet and charger, to supply Battery is powered；Rechargeable battery can also be charged using wireless mode, such as：Using way of electromagnetic induction, magnetic resonance mode Or microwave mode.

As shown in figure 1, the conversion equipment 20 includes：Second controller 21, the second radio communication circuit 23, second source 29 and serial ports 27.

In the present embodiment, it is preferable that the second controller 21 is identical with first controller 11, second nothing Line telecommunication circuit 23 is identical with first radio communication circuit 13, and the second source 29 is identical with first power supply 17, In order to avoid burden, no longer second controller 21, the second radio communication circuit 23 and second source 29 are introduced one by one herein, had Body structure refer to the first controller 11, the first radio communication circuit 13 and the first power supply 17 in wireless serial screen 10.

Wherein, the second controller 21 is used to receive the data letter that external equipment (for example, computer) is sent through serial ports 27 Breath, and after handling it, after being handled such as changing, decode by A/D, identifies the data message, and after handling Data message be sent to the second radio communication circuit 23, communicated at a distance with wireless serial screen 10 with realizing, or second control The data message that device 21 processed receives the second radio communication circuit 23 is sent to external equipment through serial ports 27.

Because some external equipments do not have radio function, then a conversion equipment 20 is needed to send out external equipment through serial ports 27 The information sent is forwarded.The serial ports 27 is used to carry out wire communication with external equipment.Wherein, the serial ports 27 can be USB Serial ports or RS485 serial ports, or RS232 serial ports etc..

As shown in Figure 4.The conversion equipment 20 also includes：Housing 31 and circuit board 33.

In the present embodiment, it is preferable that the housing 31 is shaped as column shape, further, is cuboid.Due to life There are various electromagnetic waves in work, and various electromagnetic waves are more and more, along with each electricity in the inside of conversion equipment 20 Electromagnetic interference between subcomponent, usually causes the cisco unity malfunction of conversion equipment 20.In the present embodiment, the housing 31 is needed Possess function of shielding, can be used for the interference for reducing external electromagnetic waves.Preferably, the ecto-entad of housing 31 includes successively： Screen layer, plastic layer and fibrous layer.Wherein, it is additionally provided with opening 32 on the housing 31.

Second controller 21, the second radio communication circuit 23, second source 29 and serial ports are integrated with the circuit board 33 27.Wherein, the data terminal of the second controller 21 is coupled with the serial ports 27, second radio communication circuit 23 with it is described Second controller 21 is coupled, the second source 29 respectively with the second controller 21 and second radio communication circuit 23 Coupling.

For simplification of flowsheet, in the present embodiment, it is preferable that the second controller 21, second channel radio Letter circuit 23, the second source 29 and the serial ports 27 are integrated on same circuit board 33.

It is integrated with the second controller 21, second radio communication circuit 23, the second source 29 and the string The circuit board 33 of mouth 27 is arranged in the housing 31.Wherein, the opening 32 being arranged on the housing 31 is used to install described Serial ports 27, i.e., described serial ports 27 is placed at the opening 32.

As shown in figure 5, the utility model embodiment additionally provides a kind of monitoring system 200.The monitoring system 200 includes： Master control borad 210 and above-mentioned R-T unit 100.

Wherein, the master control borad 210 is coupled with the conversion equipment 20 in the R-T unit 100.The master control borad 210 can be with Realized by conversion equipment 20 and carry out telecommunication with wireless serial screen 10 at a distance.

In summary, the utility model embodiment provides a kind of R-T unit and monitoring system.On the one hand, the R-T unit Including：Wireless serial screen and the conversion equipment used cooperatively with the wireless serial screen.The wireless serial screen, can not only be by having The mode of line is communicated with external equipment, but also wirelessly can be communicated with external equipment；The conversion Equipment makes its external equipment for not possessing radio communication function realize far on the basis of the general frame of external equipment is ensured Communication between distance and wireless serial screen, makes it meet greater demand.The R-T unit is used cooperatively with wireless serial screen, by There is no radio function in some external equipments, then need the R-T unit to transfer the information that external equipment is sent through serial ports Go.On the other hand, the monitoring system includes：Master control borad and above-mentioned R-T unit.The master control borad can be real by conversion equipment Now carry out telecommunication with wireless serial screen at a distance.The utility model possess it is simple in construction, practical, conveniently, low cost and The advantages of high efficiency.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims

1. a kind of R-T unit, it is characterised in that including：Wireless serial screen and the conversion used cooperatively with the wireless serial screen Equipment, the wireless serial screen includes：First controller, the first radio communication circuit and the first power supply, first channel radio Letter circuit coupled with first controller, first power supply respectively with first controller and first radio communication Circuit is coupled；The conversion equipment includes：Second controller, the second radio communication circuit, second source and serial ports, described second The data terminal of controller and the serial interfaces, second radio communication circuit are coupled with the second controller, and described the Two power supplys are coupled with the second controller and second radio communication circuit respectively.

2. R-T unit according to claim 1, it is characterised in that first radio communication circuit includes：Filtered electrical Road, wireless transceiver, oscillating circuit, match circuit and antenna, the power end coupling of the filter circuit and the wireless transceiver Close, the oscillating circuit is coupled with the crystal oscillator end of the wireless transceiver, one end of the match circuit and the wireless receiving and dispatching The antenna end coupling of device, the other end of the match circuit is coupled with the antenna.

3. R-T unit according to claim 2, it is characterised in that the filter circuit includes：First electric capacity and second Electric capacity, the power end of one end of one end of first electric capacity and second electric capacity with the wireless transceiver is coupled, institute The other end for stating the other end and second electric capacity of the first electric capacity is grounded.

4. R-T unit according to claim 2, it is characterised in that the oscillating circuit includes：Crystal oscillator, the 3rd electric capacity and 4th electric capacity, one end of the crystal oscillator is by the 3rd capacity earth, and the other end of the crystal oscillator passes through the 4th electric capacity Ground connection, one end of the crystal oscillator is also connected with the first crystal oscillator end of the wireless transceiver, the other end of the crystal oscillator also with institute State the second crystal oscillator end connection of wireless transceiver.

5. R-T unit according to claim 4, it is characterised in that the oscillating circuit also includes：First resistor, it is described The one end of one end of crystal oscillator also with the first resistor is connected, the other end of the other end of the crystal oscillator also with the first resistor Connection.

6. R-T unit according to claim 2, it is characterised in that the match circuit includes：First inductance, the second electricity Sense, the 3rd inductance, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity and the 8th electric capacity, one end of first inductance and the described 5th One end connection of electric capacity, the other end of the 5th electric capacity is connected with the antenna, and the other end of the 5th electric capacity also passes through 6th capacity earth, the other end of first inductance is coupled with the second antenna end of the wireless transceiver, and described The one end of the other end of one inductance also with second inductance is connected, the other end of second inductance and the 3rd inductance One end is connected, and the other end of the 3rd inductance connects with one end of the 7th electric capacity and one end of the 8th electric capacity respectively Connect, the other end of the 7th electric capacity and the other end of the 8th electric capacity are grounded, the other end of second inductance also with The first antenna end coupling of the wireless transceiver.

7. R-T unit according to claim 1, it is characterised in that second radio communication circuit and first nothing Line telecommunication circuit is identical.

8. R-T unit according to claim 1, it is characterised in that the conversion equipment also includes：Housing, described second Controller, second radio communication circuit, the second source and the serial ports may be contained within the housing, the housing On be provided with opening for installing the serial ports.

9. R-T unit according to claim 8, it is characterised in that the second controller, second radio communication Circuit, the second source and the serial ports it is integrated on circuit boards, the circuit board is arranged in the housing.

10. a kind of monitoring system, it is characterised in that the transmitting-receiving dress including master control borad and as described in claim 1-9 any one Put, the master control borad is coupled with the conversion equipment in the R-T unit.