A kind of enhanced wireless signal gas meter, flow meter
Technical field
The utility model relates to gas meter, flow meter wireless signal amplifying technique field, relates in particular to a kind of enhanced wireless signal gas meter, flow meter.
Background technology
Along with the development of gas and the raising of living standards of the people, combustion gas resident quantity increases year by year.The difficulty, difficult charge of checking meter perplexing numerous gas companies.Meter reading personnel's continuous increase has improved the operating cost of gas company, also results in hand cramps to management.
Chinese patent Granted publication CN 201000348Y, the day for announcing is on January 2nd, 2008, name is called in the scheme of " wireless intelligent gas meter " and discloses a kind of wireless intelligent gas meter.It comprises base table, collector and hand-held set; Base table wireless interface transmitting apparatus is housed on the described base table; Collector is provided with the collector wireless interface transmitting apparatus that is complementary with this base table wireless interface transmitting apparatus, and hand-held set is provided with the hand-held set wireless interface transmitting apparatus that is complementary with base table wireless interface transmitting apparatus; Wherein the single-chip microcomputer of base table circuit is used to be controlled at regular time section meter and sends to collector to pulse and wake instruction and data up; The collector circuit saves the data in the collector after being used to receive data, and through transmitter module signal and the data that are stored in the table in gathering is sent to hand-held set.Weak point is; The wireless signal of this wireless intelligent gas meter receives and the transmission range weak point; This has strengthened gas company with this wireless intelligent gas meter when time; Need to increase the quantity of base station, perhaps increase the intensity of artificial hand-held operation, increased the handling cost and the operating cost of gas company.
The utility model content
The utility model is to receive and the transmission range weak point for the wireless signal that solves existing wireless intelligent gas meter; The handling cost of gas company and these deficiencies of operating cost have been increased; Provide a kind of signal reception and transmission range far away, reduce a kind of enhanced wireless signal gas meter, flow meter that gas company increases base station and personal management cost and operating cost.
To achieve these goals, the utility model adopts following technical scheme:
A kind of enhanced wireless signal gas meter, flow meter comprises base table, collector, transceiver, controller, and the gauging table on the described base table is connected with collector; Described controller is connected with transceiver with collector respectively; It is characterized in that described base table is provided with non-metal shell, described transceiver is fixedly mounted in the non-metal shell; Described transceiver comprises antenna, and described non-metal shell is provided with the metal wire frame.
Metal wire frame and wireless signal gas meter, flow meter antenna are the strongest in the frequency resonance at radio frequency center; This programme adopts the strongest this some characteristic of frequency resonance; Let the signal of wireless signal gas meter, flow meter strengthen; Thereby make reception of wireless signal gas meter, flow meter and transmission range far away, improve the signal cover of wireless gas table, reduce handling cost and operating cost that gas company increases base station or personnel.
As preferably, described metal wire frame equates with described antenna length.The metal wire frame and the antenna of equal in length just can reach resonance maximum, the furthest that signal is transmitted.
As preferably, described metal wire frame is a U-shaped, and a wherein side of U-shaped metal wire frame is slightly long than another side, and long side leaves antenna ratio, and to lack side near from antenna.Because receive the restriction of wireless gas table non-metal shell size, the metal wire frame is set as the U-shaped shape, not only can in non-metal shell, install the metal wire frame that equates with antenna length, but also can make metal wire frame and antenna reach the optimum resonance effect.
As preferably, described metal wire frame fixedly is located on the inside surface of non-metal shell.Be installed on the non-metal shell inside surface, make the metal wire frame be difficult for receiving the touch in the external world and damaging.
As the replacement scheme of such scheme, described metal wire frame fixedly is located on the outside surface of non-metal shell.Be installed in the metal wire frame on the non-metal shell outside surface, make the metal wire frame owing to there be not the obstruct of non-metal shell to signal, the signal transmitting range is farther.
As the replacement scheme of such scheme, metal wire frame one end of stating fixedly is located on the inside surface of non-metal shell, and the other end is located on the outside surface of non-metal shell.Guaranteed that promptly the signal transmission range is far away, guaranteed that also the metal wire frame is difficult for being damaged.
As preferably, also comprise display, described display is connected with controller.Display makes things convenient for the demonstration of user to job states such as wireless gas table wireless signal transmission intensity, and the demonstration of tolerance operating position etc.Display is convenient to improve the visual angle property and the convenience of operation.
As preferably, also comprise storer, described storer is connected with controller.The storage user uses the details of combustion gas situation, and convenient user from now on calls the details of combustion gas operating position, is convenient to the user and checks and the accuracy of confirming the combustion gas use information that wireless signal collects.
The utility model can reach following effect:
1, this programme has solved the problem that wireless signal receives and transmission range is short of existing wireless intelligent gas meter, transmits and receives distance.The handling cost and the operating cost problem of gas company have also been reduced simultaneously.
2, reliable and stable, safety need not to insert external power supply.
3, metal wire frame is made simply low price.
Description of drawings
Fig. 1 is a kind of circuit theory syndeton block diagram of the utility model.
Fig. 2 is that a kind of metal wire frame of the utility model is fixed on the synoptic diagram on the gas meter, flow meter non-metal case.
1, base table; 2, collector; 3, transceiver; 4, controller; 5, single-chip microcomputer; 6, voice prompting device; 7, antenna; 8, metal wire frame; 9, non-metal case; 10, gauging table.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of enhanced wireless signal gas meter, flow meter of present embodiment.Like Fig. 1, shown in Figure 2, comprising: base table 1, collector 2, transceiver 3, controller 4, storer 5 and display 6.Gauging table 10 on the base table 1 is connected with collector 2, and controller 4 is connected with collector 2, transceiver 3, storer 5 and display 6 respectively.
Be installed with non-metal shell 9 on the base table 1, transceiver 3 is fixedly mounted in the non-metal shell 9, and transceiver 3 comprises antenna 7, is installed with metal wire frame 8 on the non-metal shell 9, and the metal wire frame equates with antenna length.Metal wire frame 8 is a U-shaped, and a wherein side of U-shaped metal wire frame 8 is slightly long than another side, and long side is nearer from antenna 7 than short side from antenna 7.
Metal wire frame 8 is fixedly mounted on the inside surface of non-metal shell 9; Perhaps metal wire frame 8 is fixedly mounted on the outside surface of non-metal shell 9; Perhaps metal wire frame 8 one ends are fixedly mounted on the inside surface of non-metal shell 9, and the other end is installed on the outside surface of non-metal shell 9.
The course of work:
Like Fig. 1, shown in Figure 2, under the instruction of controller 4, collector 2 is gathered the pulse signal on the gauging tables 10, and pulse signal is passed to transceiver 3, and transceiver 3 is sent the pulse signals that receive by antenna 7.Antenna is when sending pulse signal, because there is metal wire frame 8 on antenna 7 next doors, metal wire frame 8 also just when the antenna use, is equivalent to increase an antenna, and the metal wire frame can be one, two or follow more.The metal wire frame and the antenna of equal in length just can reach resonance maximum, the furthest that signal is transmitted.Because antenna and metal wire frame length equate; Cause when antenna receives or send signal; The metal wire frame receives the antenna resonance effect; The resonance of metal wire frame and antenna can make the pulse signal stack, has strengthened the transmission or the receiving intensity of pulse signal, thereby makes that the distance of transmission of wireless gas table signal or reception is far away.
As the case may be, the metal wire frame can be installed arbitrarily, if be installed in the metal wire frame on the non-metal shell inside surface, makes the metal wire frame be difficult for receiving the touch in the external world and damaging.If be installed in the metal wire frame on the non-metal shell outside surface, make the metal wire frame owing to there be not the obstruct of non-metal shell to signal, the signal transmitting range is farther.If fixedly be located at metal wire frame one end on the inside surface of non-metal shell, the other end is located on the outside surface of non-metal shell.Guaranteed that promptly the signal transmission range is far away, guaranteed that also the metal wire frame is difficult for being damaged.
Present embodiment adopts and is installed in the metal wire frame on the non-metal shell inside surface, and good stability is convenient to install, and signal reception and transmission range are far away, also reduce gas company and increase base station and personal management cost and operating cost.
Combine accompanying drawing to describe the embodiment of the utility model above, but not limited by the foregoing description when realizing, those of ordinary skills can make various variations or modification within the scope of the appended claims.