CN202014237U - Sending device of programming equipment of portable wireless responder - Google Patents
Sending device of programming equipment of portable wireless responder Download PDFInfo
- Publication number
- CN202014237U CN202014237U CN2011201155980U CN201120115598U CN202014237U CN 202014237 U CN202014237 U CN 202014237U CN 2011201155980 U CN2011201155980 U CN 2011201155980U CN 201120115598 U CN201120115598 U CN 201120115598U CN 202014237 U CN202014237 U CN 202014237U
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- circuit
- signal
- portable wireless
- 27mhz
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Abstract
A sending device of programming equipment of a portable wireless responder is composed of a 27MHz sending unit, a 9MHz sending unit, a 27MHz antenna unit and a 9MHz antenna unit, wherein the 27MHz sending unit and the 9MHz sending unit are both formed by eight parts, namely a signal filtering circuit, a primary amplifying circuit, a final amplifying circuit, an automatic level control circuit, a power amplifier warning circuit, a signal coupling circuit, an over- and under-power circuit and an open short circuit. The sending device of the programming equipment of the portable wireless responder has the advantages of being compact in structure, good in stability during work, high in reliability and capable of reading data of spot responders produced by any producers.
Description
Technical field
The utility model relates to a kind of dot-mode transponder of Chinese train control system, relates in particular to a kind of dispensing device of portable wireless answering programming device.
Background technology
This year, along with improving constantly of train running speed, the further increasing of operation density, the effect of Chinese train operation control system CTCS in the China railways operation is apparent more important.Critical component when dot-mode transponder and corresponding recognition device among the CTCS, and dot-mode transponder will carry out embedding after the manufacturing is finished, externally do not stay any wired interface.Therefore, must pass through non-contacting wireless mode to sense information in the dot-mode transponder or writing information.In engineering is used, can earlier the CTCS dot-mode transponder be installed on the middle sleeper of track, situation according to the scene writes message information in the CTCS transponder then, and in the maintenance afterwards, often need read or revise the message information in the CTCS dot-mode transponder.Simultaneously because the transponder kind is more, each manufacturer is different to being provided with of transponder, therefore need a kind of wireless answering programming device that can read the transponder data of any producer, and sender unit is one of key equipment in the wireless answering programming device, and the development that present sender unit can not adaptive technique.
The utility model content
The purpose of this utility model be to provide a kind of when work good stability, unfailing performance is high and have the dispensing device of operating distance portable wireless answering programming device far away.
The dispensing device of portable wireless answering programming device is made up of 27MHz transmitting element, 9 MHz transmitting elements, 27MHz antenna element and 9 MHz antenna elements, wherein 27MHz transmitting element and 9 MHz transmitting elements by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, automatic level control circuit, power amplifier warning circuit, signal coupling circuit, cross the underpower circuit and open short circuit current eight parts and constitute; Signal data transmits successively by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, signal coupling circuit; Data through signal coupling circuit can directly send by 27MHz antenna element or 9 MHz antenna elements, also can be by being transferred to the final stage amplifying circuit behind the automatic level control circuit, also can import the power amplifier warning circuit after opening short circuit current or crossing the underpower circuit, the data of power amplifier warning circuit directly are transferred to the control section of transponder programming device.
Two antenna elements in the dispensing device of portable wireless answering programming device described in the utility model all are printed on the circuit board, and the 27MHz antenna element is the straight-flanked ring antenna, and the 9MHz antenna element is " 8 " font loop antenna.
Signal filter circuit in the dispensing device of portable wireless answering programming device is used to improve input signal quality; elementary amplifying circuit and final stage amplifying circuit are used to improve output signal power; signal coupling circuit provides the judgement voltage of automatic level control circuit and power amplifier warning circuit; automatic level control circuit makes the power amplifier power output stable, and the power amplifier warning circuit is assigned to the operation irregularity condition feedback of transmitting element to protect the dispensing device of whole portable wireless answering programming device to control part.
Signal filter circuit in the dispensing device of portable wireless answering programming device described in the utility model is by the triple gate accentuator, π type resistance decrement circuit, and low-pass filter circuit is formed.
Elementary amplifying circuit in the dispensing device of portable wireless answering programming device described in the utility model, the final stage amplifying circuit constitutes the cascade amplifying circuit of signal.
Final stage amplifying circuit in the dispensing device of portable wireless answering programming device described in the utility model is selected the cmos power tube of rd06hhf1 for use, be designed to AB class merit, the control signal that the programmable device control section provides is the grid voltage that the LDO power supply of control band en turn-offs the final stage amplifier tube.
Signal coupling circuit in the dispensing device of portable wireless answering programming device described in the utility model, automatic level control circuit, the power amplifier warning circuit is formed the auxiliary circuit of power amplifier, signal coupling circuit provides needed coupled signal for automatic level control circuit and power amplifier warning circuit, has the influence that certain isolation reduces reflected signal simultaneously.
Signal coupling circuit in the dispensing device of portable wireless answering programming device described in the utility model adopts 2 core transformers to build directional coupler, the output forward power and the reflection power of coupling final stage amplifying circuit obtain two detection signals of forward coupled voltages and reverse coupled voltage after the detection.The magnetic core coiling n:1 coil transformer of its medium-high frequency high magnetic permeability constitutes directional coupler, selects for use the Schottky diode of low pressure drop to carry out detection.
Automatic level control circuit in the dispensing device of portable wireless answering programming device described in the utility model changes input signal strength by the decay dB of the pin diode of the forward coupled voltages control final stage amplifying circuit input of signal coupling circuit, makes the power amplification unit power output stable thereby form closed control.
The working method of the dispensing device of portable wireless answering programming device is: when carrying out read operation, by dispensing device to transponder radiation 27.095MHz electromagnetic energy, receive the frequency shift keying signal that transponder returns simultaneously, amplify and demodulation, can read the transponder data of any producer; During write operation, improve transponder programming part working power by dispensing device to transponder radiation 9.032MHz electromagnetic energy, the 27.095MHz data of the amplitude-shift keying modulation that sends simultaneously then write transponder, carry out read operation again with data readback, with the writing information comparison, unanimity is then reported and is write success.
Good stability, the high data characteristic that also can read the dot-mode transponder of any manufacturer production of unfailing performance when advantage of the present utility model is its compact conformation, work.
Description of drawings
The dispensing device structural representation of Fig. 1 portable wireless answering programming device.
Antenna schematic diagram in the dispensing device of Fig. 2 portable wireless answering programming device.
Embodiment
As shown in Figure 1, the dispensing device of portable wireless answering programming device is made up of 27MHz transmitting element, 9 MHz transmitting elements, 27MHz antenna element and 9 MHz antenna elements, wherein 27MHz transmitting element and 9 MHz transmitting elements by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, automatic level control circuit, power amplifier warning circuit, signal coupling circuit, cross the underpower circuit and open short circuit current eight parts and constitute; Signal data transmits successively by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, signal coupling circuit; Data through signal coupling circuit can directly send by 27MHz antenna element or 9 MHz antenna elements, also can be by being transferred to the final stage amplifying circuit behind the automatic level control circuit, also can import the power amplifier warning circuit after opening short circuit current or crossing the underpower circuit, the data of power amplifier warning circuit directly are transferred to the control section of transponder programming device.
The working method of the dispensing device of portable wireless answering programming device is: when carrying out read operation, by dispensing device to transponder radiation 27.095MHz electromagnetic energy, receive the frequency shift keying signal that transponder returns simultaneously, amplify and demodulation, can read the transponder data of any producer; During write operation, improve transponder programming part working power by dispensing device to transponder radiation 9.032MHz electromagnetic energy, the 27.095MHz data of the amplitude-shift keying modulation that sends simultaneously then write transponder, carry out read operation again with data readback, with the writing information comparison, unanimity is then reported and is write success.
As shown in Figure 2, two antenna elements in the dispensing device of portable wireless answering programming device described in the utility model all are printed on the circuit board, and the 27MHz antenna element is the straight-flanked ring antenna, and the 9MHz antenna element is " 8 " font loop antenna.
Signal filter circuit is by the triple gate accentuator, π type resistance decrement circuit, and low-pass filter circuit is formed, and is mainly used in and improves input signal quality; Elementary amplifying circuit, the final stage amplifying circuit constitutes the cascade amplifying circuit of signal, and the cascade amplifying circuit is used to improve output signal power; Signal coupling circuit provides the judgement voltage of automatic level control circuit and power amplifier warning circuit; automatic level control circuit makes the power amplifier power output stable; the power amplifier warning circuit is assigned to the operation irregularity condition feedback of transmitting element to protect the dispensing device of whole portable wireless answering programming device to control part; signal coupling circuit; automatic level control circuit; the power amplifier warning circuit is formed the auxiliary circuit of power amplifier; signal coupling circuit provides needed coupled signal for automatic level control circuit and power amplifier warning circuit, has the influence that certain isolation reduces reflected signal simultaneously.
Signal coupling circuit adopts 2 core transformers to build directional coupler, and the output forward power and the reflection power of coupling final stage amplifying circuit obtain two detection signals of forward coupled voltages and reverse coupled voltage after the detection.The magnetic core coiling n:1 coil transformer of its medium-high frequency high magnetic permeability constitutes directional coupler, selects for use the Schottky diode of low pressure drop to carry out detection.
The final stage amplifying circuit is selected the cmos power tube of rd06hhf1 for use, is designed to AB class merit, and the control signal that the programmable device control section provides is the grid voltage that the LDO power supply of control band en turn-offs the final stage amplifier tube; Automatic level control circuit changes input signal strength by the decay dB of the pin diode of the forward coupled voltages control final stage amplifying circuit input of signal coupling circuit, makes the power amplification unit power output stable thereby form closed control.
Claims (7)
1. the dispensing device of portable wireless answering programming device, form by 27MHz transmitting element, 9 MHz transmitting elements, 27MHz antenna element and 9 MHz antenna elements, wherein 27MHz transmitting element and 9 MHz transmitting elements by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, automatic level control circuit, power amplifier warning circuit, signal coupling circuit, cross the underpower circuit and open short circuit current eight parts and constitute; Signal data transmits successively by signal filter circuit, elementary amplifying circuit, final stage amplifying circuit, signal coupling circuit; Data through signal coupling circuit can directly send by 27MHz antenna element or 9 MHz antenna elements, also can be by being transferred to the final stage amplifying circuit behind the automatic level control circuit, also can import the power amplifier warning circuit after opening short circuit current or crossing the underpower circuit, the data of power amplifier warning circuit directly are transferred to the control section of transponder programming device.
2. the dispensing device of portable wireless answering programming device according to claim 1, it is characterized in that, 27MHz antenna element and 9 MHz antenna elements all are printed on the circuit board, and the 27MHz antenna element is the straight-flanked ring antenna, and the 9MHz antenna element is " 8 " font loop antenna.
3. the dispensing device of portable wireless answering programming device according to claim 1 is characterized in that, signal filter circuit is by the triple gate accentuator, π type resistance decrement circuit, and low-pass filter circuit is formed.
4. the dispensing device of portable wireless answering programming device according to claim 1 is characterized in that, elementary amplifying circuit, and the final stage amplifying circuit constitutes the cascade amplifying circuit of signal.
5. the dispensing device of portable wireless answering programming device according to claim 1, it is characterized in that, the final stage amplifying circuit is selected the cmos power tube of rd06hhf1 for use, be designed to AB class merit, the control signal that the programmable device control section provides is the grid voltage that the LDO power supply of control band en turn-offs the final stage amplifier tube.
6. the dispensing device of portable wireless answering programming device according to claim 1, it is characterized in that, signal coupling circuit, automatic level control circuit, the power amplifier warning circuit is formed the auxiliary circuit of power amplifier, signal coupling circuit provides needed coupled signal for automatic level control circuit and power amplifier warning circuit, has the influence that certain isolation reduces reflected signal simultaneously.
7. the dispensing device of portable wireless answering programming device according to claim 1, it is characterized in that, signal coupling circuit adopts 2 core transformers to build directional coupler, the output forward power and the reflection power of coupling final stage amplifying circuit, obtain two detection signals of forward coupled voltages and reverse coupled voltage after the detection, the magnetic core coiling n:1 coil transformer of its medium-high frequency high magnetic permeability constitutes directional coupler, selects for use the Schottky diode of low pressure drop to carry out detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201155980U CN202014237U (en) | 2011-04-19 | 2011-04-19 | Sending device of programming equipment of portable wireless responder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201155980U CN202014237U (en) | 2011-04-19 | 2011-04-19 | Sending device of programming equipment of portable wireless responder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202014237U true CN202014237U (en) | 2011-10-19 |
Family
ID=44784847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201155980U Expired - Fee Related CN202014237U (en) | 2011-04-19 | 2011-04-19 | Sending device of programming equipment of portable wireless responder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202014237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724141A (en) * | 2015-04-01 | 2015-06-24 | 北京交通大学 | Vehicle-mounted non-contact transponder programming device and vehicle-mounted transponder programming method |
-
2011
- 2011-04-19 CN CN2011201155980U patent/CN202014237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724141A (en) * | 2015-04-01 | 2015-06-24 | 北京交通大学 | Vehicle-mounted non-contact transponder programming device and vehicle-mounted transponder programming method |
| CN104724141B (en) * | 2015-04-01 | 2017-03-15 | 北京交通大学 | Vehicle-mounted noncontact transponder programming device and a kind of vehicle-mounted transponder programmed method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20170419 |