CN105227228A - GPRS amplifier and wireless kilowatt meter reading-out system - Google Patents
GPRS amplifier and wireless kilowatt meter reading-out system Download PDFInfo
- Publication number
- CN105227228A CN105227228A CN201410277137.1A CN201410277137A CN105227228A CN 105227228 A CN105227228 A CN 105227228A CN 201410277137 A CN201410277137 A CN 201410277137A CN 105227228 A CN105227228 A CN 105227228A
- Authority
- CN
- China
- Prior art keywords
- gprs
- signal
- amplifier
- duplexer
- ammeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Amplifiers (AREA)
Abstract
The invention discloses a kind of GPRS amplifier and wireless kilowatt meter reading-out system.Wherein, this GPRS amplifier comprises: the first shielding box, is provided with duplexer, for Received signal strength and to receive signal amplify after send; Secondary shielding box, is connected with duplexer, transfers to the signal of duplexer for transmitting GPRS ammeter; And the 3rd shielding box, be connected with duplexer, for transmitting the signal after amplifying via duplexer to long-range receiving terminal, wherein, secondary shielding box and the 3rd shielding box are separately positioned on the both sides of the first shielding box.By the present invention, solve in prior art the problem easily occurring signal disturbing when transmitting GPRS signal, and then reach signal disturbing effect when reducing transmission GPRS signal.
Description
Technical field
The present invention relates to amplifier region, in particular to a kind of GPRS amplifier and wireless kilowatt meter reading-out system.
Background technology
The data of digital electric meter are passed to electric company by GPRS wireless data transmission terminal by power industry wireless kilowatt meter reading-out system.Because part number ammeter is arranged on basement, close good machine room etc., like environment, outdoor GPRS is difficult to the wall penetrating abundant reinforcing bar earth, arrives basement or machine room.Digital electric meter surrounding does not have enough GPRS signals to check meter.
For the situation cannot carrying out checking meter, usually set up the signal that receiving terminal is sent to receive base station in outdoor, but this outdoor receiving terminal needs through wiring usually, the signal sent base station sends to ammeter by wiring, or ammeter signal is sent to outdoor receiving terminal.But, when by wiring signal transmission, due to line transmission input signal and output signal, easily there is signal disturbing.
For the problem easily occurring signal disturbing when transmitting GPRS signal in prior art, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of GPRS amplifier and wireless kilowatt meter reading-out system, easily occurs the problem of signal disturbing when transmitting GPRS signal to solve in prior art.
To achieve these goals, according to an aspect of the present invention, a kind of GPRS amplifier is provided.GPRS amplifier according to the present invention comprises: the first shielding box, is provided with duplexer, for Received signal strength and to receive signal amplify after send; Secondary shielding box, is connected with described duplexer, transfers to the signal of described duplexer for transmitting GPRS ammeter; And the 3rd shielding box, be connected with described duplexer, for transmitting the signal after amplifying via described duplexer to long-range receiving terminal, wherein, described secondary shielding box and described 3rd shielding box are separately positioned on the both sides of described first shielding box.
Further, described GPRS amplifier also comprises: mobile radio station interface, is connected with described secondary shielding box, be connected with domestic aerial, for the signal of described GPRS ammeter is sent to described duplexer, wherein, described domestic aerial is for receiving the signal from described GPRS ammeter.
Further, described GPRS amplifier also comprises: base-station interface, is connected, is connected with exterior aerial with described secondary shielding box, for sending the signal after amplifying via described duplexer to described long-range receiving terminal.
Further, described GPRS amplifier also comprises: GPRS antenna, is connected with described base-station interface, for the signal from base-station interface is sent to described long-range receiving terminal.
Further, described GPRS amplifier also comprises: transducer, is connected with described duplexer, for detecting via when outputing signal after described duplexer amplification, and the power output of described GPRS amplifier.
Further, described GPRS amplifier also comprises: signal lamp, is connected with described transducer, is used to indicate the size of described power output.
Further, described GPRS amplifier also comprises: work light, is connected with described duplexer, for when described duplexer receives signal, lights described work light.
Further, described GPRS amplifier also comprises: power interface, is connected with the power supply of electric power system, for powering for described GPRS amplifier.
To achieve these goals, according to a further aspect in the invention, a kind of wireless kilowatt meter reading-out system is provided.Wireless kilowatt meter reading-out system according to the present invention comprises: GPRS ammeter, for sending ammeter signal; GPRS amplifier, adopts the GPRS amplifier described in above-mentioned any one, for amplifying described ammeter signal; And long-range receiving terminal, for receiving the ammeter signal from described GPRS amplifier.
Further, described wireless kilowatt meter reading-out system also comprises: GPRS antenna, is connected with described GPRS amplifier, for receiving the ammeter signal from described GPRS ammeter, or, send the ammeter signal amplified via described GPRS amplifier.
By the present invention, adopt the first shielding box, be provided with duplexer, for Received signal strength and to receive signal amplify after send; Secondary shielding box, is connected with described duplexer, transfers to the signal of described duplexer for transmitting GPRS ammeter; And the 3rd shielding box, be connected with described duplexer, for transmitting the signal after amplifying via described duplexer to long-range receiving terminal, wherein, described secondary shielding box and described 3rd shielding box are separately positioned on the both sides of described first shielding box, solve in prior art the problem easily occurring signal disturbing when transmitting GPRS signal, and then reach signal disturbing effect when reducing transmission GPRS signal.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the wireless kilowatt meter reading-out system according to the embodiment of the present invention;
Fig. 2 is the shielding box schematic diagram of the GPRS amplifier according to the embodiment of the present invention;
Fig. 3 is the panel schematic diagram of the GPRS amplifier according to the embodiment of the present invention; And
Fig. 4 is the schematic diagram of GPRS amplifier according to the preferred embodiment of the invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of wireless kilowatt meter reading-out system.
Fig. 1 is the schematic diagram of the wireless kilowatt meter reading-out system according to the embodiment of the present invention.As shown in the figure, this wireless kilowatt meter reading-out system comprises: GPRS ammeter 10, GPRS amplifier 20 and long-range receiving terminal 30.
GPRS ammeter 10 is for sending ammeter signal.
GPRS amplifier 20, for amplifying ammeter signal, can be any one GPRS amplifier in following embodiment.
Long-range receiving terminal 30 is for receiving the ammeter signal from GPRS amplifier.
When checking meter, ammeter numeral is sent with signal form by GPRS by GPRS ammeter 10.After GPRS amplifier 20 receives the signal of GPRS ammeter 10, amplification process is carried out to signal, and the signal after amplifying process is sent to long-range receiving terminal 30, make long-range receiving terminal 30 can receive numeral accurately.Like this, when GPRS ammeter 10 is in underground or the more weak region of GPRS signal, also ammeter numeral can be sent to long-range receiving terminal 30 by GPRS.
Preferably, receive the signal of GPRS ammeter 10 for the ease of GPRS amplifier 20, can GPRS antenna Received signal strength be passed through.Wherein, this GPRS antenna is connected with GPRS amplifier, for receiving the ammeter signal from GPRS ammeter, or, send the ammeter signal amplified via GPRS amplifier.
As shown in Figure 1, one end of GPRS antenna is connected with GPRS amplifier, one end sends GPRS signal in addition, like this, only needs the line of GPRS antenna and GPRS amplifier to be laid between GPRS amplifier and GPRS ammeter, because the signal of GPRS can cover larger scope, namely GPRS antenna can receive multiple GPRS ammeters of its overlay area, therefore, without the need to being connected on GPRS amplifier by each GPRS ammeter, not only convenient wiring, also a saving wiring cost.
The embodiment of the present invention additionally provides a kind of GPRS amplifier.
At present, solve the many employings of problem two kinds of methods that power amplifier linearity requires, first method carries out larger back-off, makes power amplifier be operated in linear zone, and this method greatly reduces the efficiency of power amplifier, and adds cost.Second method adopts linearization technique, namely adopts proper circuit to carry out precorrection to the non-linear of power amplifier, thus improve that it is linear.Feedforward and pre-distortion technology are two kinds of linearization techniques the most effective, and feedforward has the high advantage of linearisation degree, but also has complex structure, inefficient shortcoming.And in pre-distortion technology, digital pre-distortion technology is little with its volume, efficiency is high, high reliability, the most important thing is to stablize.The embodiment of the present invention is reduced rear class power amplifying device cost by GPRS amplifier, is improved power amplification efficiency, simplifies the design difficulty of power amplifier.Use installs more convenient.
Below in conjunction with Fig. 2, the power amplifier of the embodiment of the present invention is described.As shown in Figure 1, this GPRS amplifier comprises: the first shielding box 202, secondary shielding box 204 and the 3rd shielding box 206.
First shielding box 202 is provided with duplexer, for Received signal strength and to receive signal amplify after send.
Secondary shielding box 204 is connected with duplexer, transfers to the signal of duplexer for transmitting GPRS ammeter.
3rd shielding box 206 is connected with duplexer, and for transmitting the signal after amplifying via duplexer to long-range receiving terminal, wherein, secondary shielding box and the 3rd shielding box are separately positioned on the both sides of the first shielding box.
Duplexer is provided with in first shielding box 202, wherein, duplexer can receive the signal that GPRS ammeter sends, the GPRS ammeter signal now received due to the stop of obstacle may be fainter, now duplexer amplifies to the received signal, strengthens the intensity of GPRS ammeter signal.Secondary shielding box 204 is connected with duplexer, for Signal transmissions that GPRS ammeter is sent in duplexer, 3rd shielding box 206 is connected with duplexer, long-range receiving terminal is sent to for the signal after being amplified by duplexer, like this, the signal be sent to after the amplification that the signal of duplexer and duplexer send sends via two shielding boxs respectively, and the both sides of the first shielding box that these two shielding boxs are separately positioned on, the mutual interference receiving and send signal can be avoided by shielding box, make the GPRS ammeter signal through duplexer process can not be disturbed, the signal ensureing to be transferred to long-range receiving terminal carries the numeral of correct GPRS ammeter, thus ensure that the accuracy of radio meter register.
By above-described embodiment, utilize different shielding box signal transmissions, avoid the mutual interference of signal, thus solve in prior art the problem transmitted GPRS signal and easily occur disturbing, and then reach the effect lowering GPRS signal and mutually disturb.
Further, in order to receive the ammeter signal from GPRS ammeter, GPRS amplifier also comprises: mobile radio station interface, be connected with secondary shielding box, be connected with domestic aerial, for the signal of GPRS ammeter is sent to duplexer, wherein, domestic aerial is for receiving the signal from GPRS ammeter.
Domestic aerial 304 as shown in Figure 1, can receive the GPRS signal of GPRS ammeter, and the GPRS signal received is sent to duplexer.
Below in conjunction with Fig. 3 and Fig. 4, the GPRS amplifier of the embodiment of the present invention is described.
Further, GPRS amplifier also comprises: base-station interface 302, is connected, is connected with exterior aerial with secondary shielding box, for sending the signal after amplifying via duplexer to long-range receiving terminal.Send to exterior aerial 306 through duplexer amplifying signal by base-station interface 302, as shown in Figure 1, eventually through exterior aerial 306, the signal after amplification is sent to long-range receiving terminal 30.
Further, GPRS amplifier also comprises: GPRS antenna, is connected with base-station interface, for the signal from base-station interface is sent to long-range receiving terminal.
GPRS antenna and exterior aerial 306, be connected with base-station interface, the signal after amplification can be sent to long-range receiving terminal by GPRS.
Further, GPRS amplifier also comprises: transducer, is connected with duplexer, for detecting via when outputing signal after duplexer amplification, and the power output of GPRS amplifier.
Transducer can detect duplexer and whether have signal, detects the signal strength signal intensity that duplexer receives, and the signal strength signal intensity exported after amplifying.
Further, GPRS amplifier also comprises: signal lamp 308, is connected with transducer, is used to indicate the size of power output.
Bright 1 lamp when the input power of GPRS amplifier is 30% of power output, 60% bright 2 lamps, 100% bright 3 lamps.When input signal is too weak, the lamp of 30% does not work yet, but may have signal in GPRS amplifier, is 30% of inadequate GPRS amplifier output power.
Further, GPRS amplifier also comprises: work light 310, is connected with duplexer, for when duplexer receives signal, lights work light.
Detect that work light is bright when having Signal transmissions to work in GPRS amplifier.If work light is bright when not working, represents GPRS amplifier and abnormal or GPRS amplifier exception is installed.GPRS amplifier can be indicated whether working properly by work light.
Further, GPRS amplifier also comprises: power interface 312, is connected with the power supply of electric power system, for powering for GPRS amplifier.Power interface can receive electric power system and power, and GPRS amplifier is powered by the 48v in electric power system, and avoiding has a power failure causes the defect of the data that cannot collect GPRS ammeter.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a GPRS amplifier, is characterized in that, comprising:
First shielding box, is provided with duplexer, for Received signal strength and to receive signal amplify after send;
Secondary shielding box, is connected with described duplexer, transfers to the signal of described duplexer for transmitting GPRS ammeter; And
3rd shielding box, is connected with described duplexer, and for transmitting the signal after amplifying via described duplexer to long-range receiving terminal, wherein, described secondary shielding box and described 3rd shielding box are separately positioned on the both sides of described first shielding box.
2. GPRS amplifier according to claim 1, is characterized in that, described GPRS amplifier also comprises:
Mobile radio station interface, is connected with described secondary shielding box, is connected with domestic aerial, and for the signal of described GPRS ammeter is sent to described duplexer, wherein, described domestic aerial is for receiving the signal from described GPRS ammeter.
3. GPRS amplifier according to claim 1, is characterized in that, described GPRS amplifier also comprises:
Base-station interface, is connected with described secondary shielding box, is connected with exterior aerial, for sending the signal after amplifying via described duplexer to described long-range receiving terminal.
4. GPRS amplifier according to claim 3, is characterized in that, described GPRS amplifier also comprises:
GPRS antenna, is connected with described base-station interface, for the signal from base-station interface is sent to described long-range receiving terminal.
5. GPRS amplifier according to claim 1, is characterized in that, described GPRS amplifier also comprises:
Transducer, is connected with described duplexer, for detecting via when outputing signal after described duplexer amplification, and the power output of described GPRS amplifier.
6. GPRS amplifier according to claim 5, is characterized in that, described GPRS amplifier also comprises:
Signal lamp, is connected with described transducer, is used to indicate the size of described power output.
7. GPRS amplifier according to claim 1, is characterized in that, described GPRS amplifier also comprises:
Work light, is connected with described duplexer, for when described duplexer receives signal, lights described work light.
8. GPRS amplifier according to claim 1, is characterized in that, described GPRS amplifier also comprises:
Power interface, is connected with the power supply of electric power system, for powering for described GPRS amplifier.
9. a wireless kilowatt meter reading-out system, is characterized in that, comprising:
GPRS ammeter, for sending ammeter signal;
GPRS amplifier, adopts the GPRS amplifier according to any one of claim 1 to claim 8, for amplifying described ammeter signal; And
Long-range receiving terminal, for receiving the ammeter signal from described GPRS amplifier.
10. wireless kilowatt meter reading-out system according to claim 9, is characterized in that, described wireless kilowatt meter reading-out system also comprises:
GPRS antenna, is connected with described GPRS amplifier, for receiving the ammeter signal from described GPRS ammeter, or, send the ammeter signal amplified via described GPRS amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277137.1A CN105227228A (en) | 2014-06-19 | 2014-06-19 | GPRS amplifier and wireless kilowatt meter reading-out system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277137.1A CN105227228A (en) | 2014-06-19 | 2014-06-19 | GPRS amplifier and wireless kilowatt meter reading-out system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105227228A true CN105227228A (en) | 2016-01-06 |
Family
ID=54995966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410277137.1A Pending CN105227228A (en) | 2014-06-19 | 2014-06-19 | GPRS amplifier and wireless kilowatt meter reading-out system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105227228A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105825655A (en) * | 2016-05-30 | 2016-08-03 | 河南昊方通信工程技术有限公司 | Multifunctional base station |
| CN105978599A (en) * | 2016-07-19 | 2016-09-28 | 国家电网公司 | Signal booster |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202018471U (en) * | 2011-01-21 | 2011-10-26 | 上海人民企业集团温州电器有限公司 | Intelligent controller with light beam indicator |
| CN102480450A (en) * | 2010-11-30 | 2012-05-30 | 富士通株式会社 | Predistorter control device and method as well as power control state detection method |
| CN203149825U (en) * | 2012-10-30 | 2013-08-21 | 湖南省电力公司株洲电业局 | Concentrator and a basement zone area master table communication apparatus |
| CN203482202U (en) * | 2013-08-28 | 2014-03-12 | 国家电网公司 | GPRS terminal signal booster and networking system thereof |
| CN203883832U (en) * | 2014-06-19 | 2014-10-15 | 国家电网公司 | GPRS amplifier and wireless meter reading system |
-
2014
- 2014-06-19 CN CN201410277137.1A patent/CN105227228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480450A (en) * | 2010-11-30 | 2012-05-30 | 富士通株式会社 | Predistorter control device and method as well as power control state detection method |
| CN202018471U (en) * | 2011-01-21 | 2011-10-26 | 上海人民企业集团温州电器有限公司 | Intelligent controller with light beam indicator |
| CN203149825U (en) * | 2012-10-30 | 2013-08-21 | 湖南省电力公司株洲电业局 | Concentrator and a basement zone area master table communication apparatus |
| CN203482202U (en) * | 2013-08-28 | 2014-03-12 | 国家电网公司 | GPRS terminal signal booster and networking system thereof |
| CN203883832U (en) * | 2014-06-19 | 2014-10-15 | 国家电网公司 | GPRS amplifier and wireless meter reading system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105825655A (en) * | 2016-05-30 | 2016-08-03 | 河南昊方通信工程技术有限公司 | Multifunctional base station |
| CN105978599A (en) * | 2016-07-19 | 2016-09-28 | 国家电网公司 | Signal booster |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102355203B (en) | Intelligent output technology of microwave power amplifier | |
| CN202679377U (en) | Apparatus for realizing micro repeater standing wave alarm with low cost | |
| CN203883832U (en) | GPRS amplifier and wireless meter reading system | |
| CN105227228A (en) | GPRS amplifier and wireless kilowatt meter reading-out system | |
| CN103716098B (en) | A kind of cable checkout equipment and system of leaking | |
| CN104237704A (en) | Device and method for detecting interior electromagnetic immunity | |
| CN102395222A (en) | Wireless sensor network constructed by utilizing leaky cable | |
| CN105932420A (en) | Mobile phone antenna with multiple alternatively used branches | |
| CN203482202U (en) | GPRS terminal signal booster and networking system thereof | |
| CN101730217A (en) | Improved radio frequency power control method and terminal | |
| CN202772247U (en) | Linear coaxial load | |
| CN101132216A (en) | Microwave repeater station and communication method based on SCDMA microwave repeater station | |
| CN204795396U (en) | Data processing module of digital video intercom system | |
| CN203734678U (en) | Leaky cable detection device and system | |
| CN202261172U (en) | Microwave power amplifier intelligent output line configuration | |
| CN108092725A (en) | A kind of test System and method for of Beamforming functions | |
| CN118801973B (en) | Satellite signal coverage system and method | |
| CN202284703U (en) | Accurate positioning equipment for pipeline inspection gauge (PIG) | |
| CN102957485B (en) | Multiple base station power calibrating installation and method | |
| CN216900292U (en) | Nonlinear node detector | |
| CN103313434A (en) | Wireless access method, wireless access device, wireless access system, wireless access point device and antenna | |
| CN211699188U (en) | Wireless meter reading signal enhancement distribution system | |
| CN205123750U (en) | Monitoring of cheating signal and interrupting device based on spread spectrum RF chips | |
| CN204349991U (en) | For the integrated module circuit board of optical fiber repeater and trunk amplifier | |
| CN201893937U (en) | Indoor signal cover system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |
|
| RJ01 | Rejection of invention patent application after publication |