CN201917931U - Radio-frequency transceiver device - Google Patents
Radio-frequency transceiver device Download PDFInfo
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- CN201917931U CN201917931U CN2010206728838U CN201020672883U CN201917931U CN 201917931 U CN201917931 U CN 201917931U CN 2010206728838 U CN2010206728838 U CN 2010206728838U CN 201020672883 U CN201020672883 U CN 201020672883U CN 201917931 U CN201917931 U CN 201917931U
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- radio
- frequency
- receiving
- emission
- transmission device
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Abstract
The utility model discloses a radio-frequency transceiver device, which is carried by a monitored target and can transmit radio-frequency signals with preset data. The radio-frequency transceiver device comprises a micro processing and radio-frequency signal transmitter which realizes the control of the radio-frequency transceiver device and the generation of the radio-frequency signals; a working crystal oscillator which provides working frequency to the micro processing and radio-frequency signal transmitter; a clock crystal oscillator which provides a clock to the micro processing and radio-frequency signal transmitter; an antenna which transmits the radio-frequency signals under the control of the micro processing and radio-frequency signal transmitter; and a power supply which provides working power. The radio-frequency transceiver device has the advantages that automatic attendance checking, automatic monitoring and the like can be realized, the monitored target is not required to actively keep an identification card being close to or touching identification equipment to realize identification and positioning, the device is simple and convenient to use and the application scope is wide.
Description
Affiliated technical field
The utility model relates to field of radio frequency communication, particularly relates to a kind of radio-frequency (RF) receiving/transmission device.
Background technology
Need be for being implemented in to the turnover personnel, vehicle, animal and article carry out the occasion of security monitoring (as school, the residential area, office building, the goods yard, factory, the prison, mining site, plant, parking lot etc.), to monitored object (as the student, the resident, the workman, the visitor, the convict, the miner, animal, vehicle, goods, article etc.) monitor, safety monitoring system can adopt RFID (Radio Frequency Identification, radio-frequency (RF) identification) technology, carry radio-frequency (RF) receiving/transmission device by monitored object, gather by the radiofrequency signal that radio frequency read head or radio-frequency (RF) acquisition equipment send radio-frequency (RF) receiving/transmission device, obtain the data corresponding with monitored object, thereby realize automatic work attendance, automated security monitor, to functions such as the automatic alarms of abnormal conditions, carry out safety management for the supervisor.Prior art mainly adopts closely identification card technology, requires monitored object initiatively identification card to be come close to or in contact with identification equipment and realizes identification and location, exists automaticity low, and recognition speed is slow, shortcomings such as complicated operation.
Summary of the invention
For solving the problem that prior art exists, the utility model proposes a kind of radio-frequency (RF) receiving/transmission device, carried by monitored object, emission has the radiofrequency signal of preset data, comprising: little processing and the emission of radio frequency signals device of realizing radio-frequency (RF) receiving/transmission device control and generation radiofrequency signal; The work crystal oscillator of frequency of operation is provided to described little processing and emission of radio frequency signals device; The clock crystal oscillator of clock is provided to described little processing and emission of radio frequency signals device; According to the control of described little processing and emission of radio frequency signals device, send the antenna of radiofrequency signal; With the power supply that working power is provided.
Above-mentioned preset data is pre-assigned unique radio-frequency (RF) receiving/transmission device numbering, is used to distinguish the different radio-frequency (RF) receiving/transmission device of identification.
Above-mentioned little processing and emission of radio frequency signals device generate the radiofrequency signal that has self radio-frequency (RF) receiving/transmission device numbering, send radiofrequency signal by antenna with predetermined manner; Predetermined manner include but not limited to default send frequency repeat to send, send, send at Preset Time point in the Preset Time section, according to preset instructions send, according to monitored object instruction send, in pre-conditioned transmission down, also can above-mentioned at least a mode combination.
Above-mentioned radio-frequency (RF) receiving/transmission device also comprises radio-frequency (RF) tag, for rfid card read-write equipment read-write application data.
Above-mentioned little processing and emission of radio frequency signals device adopt the RC circuit to realize resetting and resetting automatically.
Above-mentioned little processing and emission of radio frequency signals device adopt system single chip to realize.
Above-mentioned radio-frequency (RF) receiving/transmission device also comprises the software download interface, connects little processing and emission of radio frequency signals device and external software burning equipment respectively, will be transferred to little processing and emission of radio frequency signals device from the software data of external software burning equipment.
Above-mentioned radio-frequency (RF) receiving/transmission device also comprises the test interface that is connected with little processing and emission of radio frequency signals device, tests the running parameter of little processing and emission of radio frequency signals device for external test facility.
Above-mentioned radio-frequency (RF) receiving/transmission device also comprises button, produces the button operation signal and sends to little processing and emission of radio frequency signals device.
Above-mentioned little processing and emission of radio frequency signals device, work crystal oscillator, clock crystal oscillator, antenna and/or power module are assemblied in circuit board, and the ground wire of each layer of circuit board has at least one opening respectively, is non-closed circuit.
The utility model sends automatically by radiofrequency signal and realizes automatic work attendance, functions such as monitoring automatically, need not monitored object and initiatively identification card is come close to or in contact with identification equipment and realize identification and locate, and is easy to use, has wide range of applications.
Description of drawings
Fig. 1 is the radio-frequency (RF) receiving/transmission device modular structure synoptic diagram of the utility model one embodiment;
Fig. 2 is the radio-frequency (RF) receiving/transmission device modular structure synoptic diagram of another embodiment of the utility model;
Fig. 3 is the software download interface structure synoptic diagram of another embodiment of the utility model;
Fig. 4 is the radio-frequency (RF) receiving/transmission device modular structure synoptic diagram of the another embodiment of the utility model;
Fig. 5 is the radio-frequency (RF) receiving/transmission device assembly structure synoptic diagram of the another embodiment of the utility model.
Embodiment
For describing technology contents of the present utility model, structural attitude, the purpose of being reached and effect in detail, described in detail below in conjunction with embodiment and conjunction with figs..
See also the radio-frequency (RF) receiving/transmission device modular structure synoptic diagram shown in Fig. 1, radio-frequency (RF) receiving/transmission device 10 is carried by monitored object, emission has the radiofrequency signal of preset data, comprise: little processing and the emission of radio frequency signals device 111 of realizing radio-frequency (RF) receiving/transmission device control and generation radiofrequency signal, the work crystal oscillator 112 of frequency of operation is provided to little processing and emission of radio frequency signals device 111, the clock crystal oscillator 113 of clock is provided to little processing and emission of radio frequency signals device 111, according to the control of little processing and emission of radio frequency signals device 111, send the antenna 114 and the power module 115 that working power is provided of radiofrequency signal.
Above-mentioned little processing and emission of radio frequency signals device 111 can adopt system single chip, and (SoC System-on-Chip) realizes.Be to adopt the CC1110 chip specifically, this chip is the real wireless SOC of a kind of low cost, uses for low-consumption wireless and designs.This chip comprises enhancement mode 8051MCU and radio transmitting and receiving chip CC1100 of a standard.8051MCU carries 32K Flash and 4KRAM.Radio communication operates mainly in 315,433,868 and ISM (industry, science and medical science) and SRD (short-range device) frequency band of 915MHz, can freely be set to 300-348MHz, 391-464MHz and 728-928MHz in ISM band.The RF radio-frequency (RF) transceiver of CC1110 chip is integrated highly configurable modulator-demodular unit.This modulator-demodular unit is supported different modulation formats, and its data transmission rate can reach 250kbps.
Above-mentioned little processing and emission of radio frequency signals device 111 can adopt the RC circuit to realize resetting, can reset automatically little processing and emission of radio frequency signals device 111, and save cost.
Above-mentioned work crystal oscillator 112 and/or clock crystal oscillator 113 can adopt outside 26MHz crystal oscillator that the radio frequency reference frequency clock is provided, and also can use the 32.768KHz crystal oscillator that MCU work calibration clock is provided.
Above-mentioned power module 115 can adopt 1151 power supplies of 3.0V flexible-packed battery, and electric power outputting current is greater than 200mA.
Above-mentioned preset data is pre-assigned unique radio-frequency (RF) receiving/transmission device numbering, is used to distinguish the different radio-frequency (RF) receiving/transmission device 10 of identification.Radio-frequency (RF) receiving/transmission device 10 adopts radio electronic label technology (RFID, Radio Frequency Identification), generates the radiofrequency signal that has self radio-frequency (RF) receiving/transmission device numbering.Radio-frequency (RF) receiving/transmission device 10 is sent radiofrequency signal with predetermined manner, predetermined manner include but not limited to default send frequency repeat to send, send, send at Preset Time point in the Preset Time section, according to preset instructions send, according to monitored object instruction send, under pre-conditioned mode such as transmission, also can multiple mode combination.
The radio-frequency (RF) receiving/transmission device numbering of present embodiment can adopt Globally Unique Identifier, and (globally unique identifier GUID), also can adopt other default coding rules, and numbering is unique in the assurance system, and the compliance with system data layout requires to get final product.
The radiofrequency signal that has preset data of radio-frequency (RF) receiving/transmission device 10 emissions of the present utility model reads and handles at least one radio frequency read head, realizes discrepancy information monitoring, work attendance and automatic safe monitoring automatically to monitored object.Radio-frequency (RF) receiving/transmission device 10 can be used for the occasion that school, residential area, office building, goods yard, factory, prison, mining site, plant, parking lot etc. need be carried out security monitoring to turnover personnel, vehicle, animal and article, above-mentioned monitored object can be people such as student, resident, workman, visitor, convict, miner, animal, also can be vehicle, goods, article, animal etc.
Can be one-to-many, many-one or many-to-many relationship between radio-frequency (RF) receiving/transmission device 10 and the radio frequency read head, one radio frequency read head can receive the radiofrequency signal from different radio frequency R-T unit 10, and a plurality of radio frequency read heads can receive the radiofrequency signal from same radio-frequency (RF) receiving/transmission device 10 respectively.Radio-frequency (RF) receiving/transmission device 10 can adopt 433MHZ active electronic label technology, reads distance farthest and reaches 80 meters, can be for the radiofrequency signal that realizes that the interior at least one radio-frequency (RF) receiving/transmission device 10 of 80 meters distance ranges of radio frequency read head automatic reception is sent.
For realizing software burning, the utility model proposes another embodiment to little processing and emission of radio frequency signals device 111.Referring to radio-frequency (RF) receiving/transmission device modular structure synoptic diagram shown in Figure 2 and software download interface structure synoptic diagram shown in Figure 3, radio-frequency (RF) receiving/transmission device 10 also comprises software download interface 116, connect little processing and emission of radio frequency signals device 111 and external software burning equipment respectively, will be transferred to the storer of little processing and emission of radio frequency signals device 111 from the software data of external software burning equipment.
Referring to radio-frequency (RF) receiving/transmission device modular structure synoptic diagram shown in Figure 2, for ease of debugging and test, radio-frequency (RF) receiving/transmission device 10 of the present utility model also comprises the test interface 117 that is connected with little processing and emission of radio frequency signals device 111, tests the running parameter of little processing and emission of radio frequency signals device 111 for external test facility.Running parameter includes but not limited to transmission frequency, working current etc.
Referring to radio-frequency (RF) receiving/transmission device modular structure synoptic diagram shown in Figure 2, for realizing sending radiofrequency signal according to the instruction of monitored object, radio-frequency (RF) receiving/transmission device 10 of the present utility model also comprises button 118, produces the button operation signal and sends to little processing and emission of radio frequency signals device 111.Little processing and emission of radio frequency signals device 111 are according to button operation signal resolution and execution command, and emission has the radiofrequency signal of preset data.
Present embodiment utilize little processing and emission of radio frequency signals device 111 clock, dormancy, the multi-task scheduling that mechanism realizes a definite form such as wake up.The DMA of little processing and emission of radio frequency signals device 111 drives the operation for Flash, and drivings such as radio-frequency transmissions reception provide DMA configuration function.Clock drives to other drivings provide dormancy to wait and arousal function, and clocking capability also is provided.Radio-frequency driven provides radio-frequency transmissions, receiving function.Emission function provides the selection of blocking and not blocking.Receiving function provides the send buffer of 15 16 bytes, and receiving function provides the overtime function of returning.In addition, the radio-frequency driven layer also allows switching channels, selects emissive power, selects communication speed, rich functions such as modulating mode.Present embodiment utilizes the house dog of little processing and emission of radio frequency signals device 111 to monitor the radio-frequency (RF) receiving/transmission device running status.In case radio-frequency (RF) receiving/transmission device operation exception, house dog just reset little processing and emission of radio frequency signals device 111.Avoid radio-frequency (RF) receiving/transmission device to be in abnormality for a long time.
The utility model also proposes another embodiment.With reference to radio-frequency (RF) receiving/transmission device assembly structure synoptic diagram shown in Figure 4, radio-frequency (RF) receiving/transmission device 10 comprises by upper casing 15 and lower casing 16 closes the cavity that lid is formed.Little processing and emission of radio frequency signals device 111, work crystal oscillator 112, clock crystal oscillator 113, antenna 114, power module 115, software download interface 116, test interface 117 and/or button 118 are assemblied in circuit board 11.
Radio-frequency (RF) receiving/transmission device 10 also comprises and places cavity not have the radio-frequency (RF) tag 12 that is electrically connected with circuit board 11.Radio-frequency (RF) tag 12 adopts 13.56M frequency range universal electric label technique, closely reads and writes application data for outside rfid card read-write equipment.
The inwall of radio-frequency (RF) receiving/transmission device upper casing 15 or lower casing 16 also is provided with at least one second reinforcement 153.Second reinforcement 153 is a strip, and cavity is divided into the two parts at least that communicate, i.e. battery cavities and circuit board cavity.Battery 1151 by cloth insertion sheet 14 removable property stick on the battery cavities inwall.Circuit board 11 by cloth insertion sheet 14 removable property stick on the circuit board cavity inwall.Lead strides across or passes at least one second reinforcement 153 and connects battery 1151 and circuit board 11.Radio-frequency (RF) tag 12 by cloth insertion sheet 14 removable property stick on the circuit board cavity inwall.
The front of radio-frequency (RF) tag 12, circuit board 11 and/or battery 1151 and/or reverse side also can be established the elastic insert 13 of insulation, and its effect is fixing and protects radio-frequency (RF) tag 12, circuit board 11 and/or battery 1151 injury-free when being given a shock or impact.Elastic insert 13 can adopt foam to realize.
Because cavity volume is limited, radio-frequency (RF) tag 12 and circuit board 11 be close to or rigging position nearer, it is excessive loop current to occur on the ground wire of circuit board 11, influences the problem that radio-frequency (RF) tag 12 reads distance.For addressing this problem, present embodiment proposes circuit board 11 is made improvements.The ground wire of circuit board 11 each layers has at least one opening respectively, is non-closed circuit, thereby avoids the ground wire of circuit board 11 to form the closed circuit electric current, has significantly reduced the influence that loop current reads distance on the ground wire of circuit board 11 to radio-frequency (RF) tag 12.Specifically, circuit board 11 at least the ground wire of one deck can be C font, U font, E font and/or comb shape.
Radio-frequency (RF) receiving/transmission device of the present utility model is by the structure of above-mentioned exposure, can reach described purpose and effect, yet above the exposure only is preferred embodiment of the present utility model, from not limiting interest field of the present utility model with this, modify or variation as for other equivalence of the present utility model, all should be encompassed in the claim scope of the present utility model.
Claims (10)
1. a radio-frequency (RF) receiving/transmission device is carried by monitored object, and emission has the radiofrequency signal of preset data, comprising:
Realize the little processing and the emission of radio frequency signals device of radio-frequency (RF) receiving/transmission device control and generation radiofrequency signal;
The work crystal oscillator of frequency of operation is provided to described little processing and emission of radio frequency signals device;
The clock crystal oscillator of clock is provided to described little processing and emission of radio frequency signals device;
According to the control of described little processing and emission of radio frequency signals device, send the antenna of radiofrequency signal; With
The power supply of working power is provided.
2. radio-frequency (RF) receiving/transmission device according to claim 1 is characterized in that:
Described preset data is pre-assigned unique radio-frequency (RF) receiving/transmission device numbering, is used to distinguish the different radio-frequency (RF) receiving/transmission device of identification.
3. radio-frequency (RF) receiving/transmission device according to claim 2 is characterized in that:
Described little processing and emission of radio frequency signals device generate the radiofrequency signal that has self radio-frequency (RF) receiving/transmission device numbering, send radiofrequency signal by antenna with predetermined manner;
Predetermined manner include but not limited to default send frequency repeat to send, send, send at Preset Time point in the Preset Time section, according to preset instructions send, according to monitored object instruction send, in pre-conditioned transmission down, also can above-mentioned at least a mode combination.
4. radio-frequency (RF) receiving/transmission device according to claim 1 is characterized in that:
Also comprise radio-frequency (RF) tag, for rfid card read-write equipment read-write application data.
5. radio-frequency (RF) receiving/transmission device according to claim 1 is characterized in that:
Little processing and emission of radio frequency signals device adopt the RC circuit to realize resetting and resetting automatically.
6. according to any described radio-frequency (RF) receiving/transmission device of claim 1～5, it is characterized in that: described little processing and emission of radio frequency signals device adopt system single chip to realize.
7. according to any described radio-frequency (RF) receiving/transmission device of claim 1～5, it is characterized in that:
Also comprise the software download interface, connect little processing and emission of radio frequency signals device and external software burning equipment respectively, will be transferred to little processing and emission of radio frequency signals device from the software data of external software burning equipment.
8. according to any described radio-frequency (RF) receiving/transmission device of claim 1～5, it is characterized in that:
Also comprise the test interface that is connected with little processing and emission of radio frequency signals device, test the running parameter of little processing and emission of radio frequency signals device for external test facility.
9. according to any described radio-frequency (RF) receiving/transmission device of claim 1～5, it is characterized in that:
Also comprise button, produce the button operation signal and send to little processing and emission of radio frequency signals device.
10. according to any described radio-frequency (RF) receiving/transmission device of claim 1～5, it is characterized in that:
Described little processing and emission of radio frequency signals device, work crystal oscillator, clock crystal oscillator, antenna and/or power module are assemblied in circuit board, and the ground wire of each layer of circuit board has at least one opening respectively, is non-closed circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206728838U CN201917931U (en) | 2010-12-20 | 2010-12-20 | Radio-frequency transceiver device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206728838U CN201917931U (en) | 2010-12-20 | 2010-12-20 | Radio-frequency transceiver device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917931U true CN201917931U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206728838U Expired - Lifetime CN201917931U (en) | 2010-12-20 | 2010-12-20 | Radio-frequency transceiver device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201917931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178875A (en) * | 2011-12-20 | 2013-06-26 | 国民技术股份有限公司 | Communication device, communication system and communication method for achieving communication through contact |
| CN104052505A (en) * | 2013-11-07 | 2014-09-17 | 无锡泽太微电子有限公司 | Single-chip wireless transmitter, transmitting chip and signal transmitting method |
-
2010
- 2010-12-20 CN CN2010206728838U patent/CN201917931U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178875A (en) * | 2011-12-20 | 2013-06-26 | 国民技术股份有限公司 | Communication device, communication system and communication method for achieving communication through contact |
| CN103178875B (en) * | 2011-12-20 | 2016-09-14 | 国民技术股份有限公司 | A kind of communication apparatus, communication system and method being realized communication by contact |
| CN104052505A (en) * | 2013-11-07 | 2014-09-17 | 无锡泽太微电子有限公司 | Single-chip wireless transmitter, transmitting chip and signal transmitting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Hou Xiaowen Document name: Notification of Passing Examination on Formalities |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Futian District Binhe Road in Shenzhen city in Guangdong province Nansha 518048 East Road Central Valley mouth building 6 01-03 Patentee after: Shenzhen Dingzhi Technology Co., Ltd Address before: Futian District Binhe Road in Shenzhen city in Guangdong province Nansha 518048 East Road Central Valley mouth building 6 01-03 Patentee before: Shenzhen Dingshi Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |