CN204375155U - The hand-held meter reader of a kind of low cost low-power consumption - Google Patents
The hand-held meter reader of a kind of low cost low-power consumption Download PDFInfo
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- CN204375155U CN204375155U CN201420869341.8U CN201420869341U CN204375155U CN 204375155 U CN204375155 U CN 204375155U CN 201420869341 U CN201420869341 U CN 201420869341U CN 204375155 U CN204375155 U CN 204375155U
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Abstract
The utility model discloses the hand-held meter reader of a kind of low cost low-power consumption, take model as the single-chip microcomputer of MSP430F5438 be core, and be provided with for providing the display module of display, key-press module, for carrying out the communication module of communication and the power module for powering with external device, display module, key-press module, communication module are connected with single-chip microcomputer respectively with power module.The utility model has the features such as structure is simple, low cost, low-power consumption, for need a large amount of hand-held meter reader and the function of hand-held meter reader fairly simple, do not need to store data, occasion that price request is low is particularly applicable.
Description
Technical field
The utility model relates to a kind of hand-held meter reader, particularly relates to the hand-held meter reader of a kind of low cost low-power consumption.
Background technology
At present, the kernel of the hand-held meter reader of prior art adopts ARM chip mostly, and it is powerful, user written program can be supported, and there is abundant storage space, but simultaneously also there is following weak point in it: expensive, battery power consumption is also higher, needs often to change battery.From the situation of the hand-held meter reader of the actual use of Workshop Production, the application program of a hand-held meter reader is seldom revised after having debugged and being delivered for use again, and Workshop Production is looked over after just needing to copy back the data of electric energy meter, without the need to storing the data of copying back, therefore the supporting the function of user written program and there are these two features of abundant storage space perform practically no function in actual applications of above-mentioned hand-held meter reader, and cause inconvenience to purchase sufficient quantity due to its high price, staff cannot staff one, also can only mutually use in the production run of anxiety, cause production efficiency low.
Utility model content
The utility model provides the hand-held meter reader of a kind of low cost low-power consumption, which overcomes the weak point existing for hand-held meter reader described in background technology.
The utility model solves the technical scheme that its technical matters adopts: the hand-held meter reader of a kind of low cost low-power consumption, this hand-held meter reader take model as the single-chip microcomputer of MSP430F5438 is core, and be provided with for provide the display module of display, for respond user input key-press module, for carrying out the communication module of communication and the power module for powering with external device, display module, key-press module, communication module are connected with single-chip microcomputer respectively with power module.
Further, described communication module is infrared transceiver module, and it comprises infrared emission head and infrared receiving terminal, and this infrared emission head and infrared receiving terminal are connected with described single-chip microcomputer respectively.
Further, described display module adopts model to be the Chinese fonts lcd module of J12864.
Further, described power module comprises battery and mu balanced circuit, and battery is connected with mu balanced circuit, and the power supply of battery is by exporting described single-chip microcomputer to after mu balanced circuit voltage stabilizing.
Further, each button of described key-press module adopts the glue button matched with the shell of described hand-held meter reader respectively.
The utility model has following beneficial effect:
The single-chip microcomputer that the utility model is MSP430F5438 by employing model is core, and coordinate display module, key-press module, communication module and power module to form a new-type hand-held meter reader, there is the features such as structure is simple, low cost, low-power consumption, therefrom overcome that hand-held meter reader is on the market expensive, power consumption is high, be unsuitable for the widely used shortcoming of common occasion, the utility model for need a large amount of hand-held meter reader and the function of hand-held meter reader fairly simple, do not need to store data, occasion that price request is low is particularly applicable.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But the hand-held meter reader of a kind of low cost low-power consumption of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is meter register method schematic flow sheet of the present utility model.
Embodiment
Embodiment, shown in Figure 1, the hand-held meter reader of a kind of low cost low-power consumption of the present utility model, this hand-held meter reader take model as 16 high-end single-chip microcomputers 1 of MSP430F5438 is core, and the display module 2 be provided with for providing display, for responding the key-press module 3 of user's input, for carrying out the communication module of communication and the power module 4 for powering with external device, display module 2, key-press module 3, communication module is connected with single-chip microcomputer 1 respectively with power module 4, this single-chip microcomputer 1 is by display module 2 display list command content menu, and the input signal of scan round key-press module 3, during a certain instruction in user's selective listing command content menu, single-chip microcomputer 1 sends corresponding meter reading instruction to electric energy meter by communication module, and when electric energy meter return data, receive and resolve this data, and it is shown by display module 2.
Preferred as one, described communication module is infrared transceiver module 5, it comprises infrared emission head and infrared receiving terminal, this infrared emission head and infrared receiving terminal are connected with described single-chip microcomputer 1 respectively, the timer of described single-chip microcomputer 1 provides the carrier frequency of 38K, the meter reading instruction that described single-chip microcomputer 1 sends from serial ports is transmitted to electric energy meter by infrared emission head after this carrier modulation, and infrared receiving terminal receives the infrared signal from electric energy meter and the data after demodulation is sent to the serial ports of described single-chip microcomputer 1.Here, described communication module can also adopt other structure, such as, adopts bluetooth module, WIFI module, or adopts USB data line to coordinate USB interface to realize.
Preferred as one, described display module 2 adopts model to be the Chinese fonts lcd module of J12864, built-in 8192 Chinese characters in common use of this LCD MODULE and 128 characters, energy Display of Chinese characters, character and dot pattern, Presentation Function meets the needs of hand-held meter reader.
Preferred as one, described power module 4 comprises battery and mu balanced circuit, and battery is connected with mu balanced circuit, and the power supply of battery is by exporting described single-chip microcomputer 1 to after mu balanced circuit voltage stabilizing.
Preferred as one, each button of described key-press module 3 adopts the glue button matched with the shell of described hand-held meter reader respectively.
The hand-held meter reader of a kind of low cost low-power consumption of the present utility model, the lowest power consumption of its single-chip microcomputer 1 can be low to moderate within 10 microamperes, therefrom extends the service time of battery.For blue moral meter reader HT2680, test obtains its shutdown power consumption and is about 15 microamperes, stand-by power consumption is about 9 milliamperes, operating power consumption is 90-110 microampere, and the stand-by power consumption of hand-held meter reader of the present utility model is 6 microamperes, operating power consumption is 6 milliamperes, and thus the utility model can extend the service time of its battery greatly.In addition, the cost of hand-held meter reader of the present utility model is approximately on the market with about 10% of the ARM chip hand-held meter reader that is kernel, and thus the production cost of hand-held meter reader of the present utility model reduces greatly.
The hand-held meter reader of a kind of low cost low-power consumption of the present utility model, as shown in Figure 2, it comprises the steps: its meter register method
Step S1, single-chip microcomputer 1 are by display module 2 display list command content menu;
Step S2, single-chip microcomputer 1 scan round key-press module 3, with or without input signal, have signal to input if this single-chip microcomputer 1 scans key-press module 3, then perform step S3, otherwise perform step S7;
Step S3, single-chip microcomputer 1 reset its standby time delay counting;
The instruction of user's input resolved by step S4, single-chip microcomputer 1;
The meter reading instruction that step S5, single-chip microcomputer 1 send from serial ports is transmitted to electric energy meter by infrared emission head after its carrier modulation;
Step S6, electric energy meter return data, infrared receiving terminal receives the infrared signal from electric energy meter and the data after demodulation is sent to single-chip microcomputer 1 serial ports, and single-chip microcomputer 1 is shown by display module 2 after resolving these data, and performs step S8;
Step S7, single-chip microcomputer 1 make its standby time delay counting add one, and perform following step S8;
Step S8, single-chip microcomputer 1 judge whether its standby time delay counting is greater than preset value, if so, then performs step S9, otherwise performs step S1;
Step S9, single-chip microcomputer 1 enter holding state.
Above-described embodiment is only used for further illustrating the hand-held meter reader of a kind of low cost low-power consumption of the present utility model; but the utility model is not limited to embodiment; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in the protection domain of technical solutions of the utility model.
Claims (5)
1. the hand-held meter reader of low cost low-power consumption, it is characterized in that: this hand-held meter reader take model as the single-chip microcomputer of MSP430F5438 is core, and be provided with for provide the display module of display, for respond user input key-press module, for carrying out the communication module of communication and the power module for powering with external device, display module, key-press module, communication module are connected with single-chip microcomputer respectively with power module.
2. the hand-held meter reader of low cost low-power consumption according to claim 1, it is characterized in that: described communication module is infrared transceiver module, it comprises infrared emission head and infrared receiving terminal, and this infrared emission head and infrared receiving terminal are connected with described single-chip microcomputer respectively.
3. the hand-held meter reader of low cost low-power consumption according to claim 1, is characterized in that: described display module adopts model to be the Chinese fonts lcd module of J12864.
4. the hand-held meter reader of low cost low-power consumption according to claim 1, is characterized in that: described power module comprises battery and mu balanced circuit, and battery is connected with mu balanced circuit, and the power supply of battery is by exporting described single-chip microcomputer to after mu balanced circuit voltage stabilizing.
5. the hand-held meter reader of low cost low-power consumption according to claim 1, is characterized in that: each button of described key-press module adopts the glue button matched with the shell of described hand-held meter reader respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869341.8U CN204375155U (en) | 2014-12-31 | 2014-12-31 | The hand-held meter reader of a kind of low cost low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869341.8U CN204375155U (en) | 2014-12-31 | 2014-12-31 | The hand-held meter reader of a kind of low cost low-power consumption |
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| Publication Number | Publication Date |
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| CN204375155U true CN204375155U (en) | 2015-06-03 |
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| CN201420869341.8U Active CN204375155U (en) | 2014-12-31 | 2014-12-31 | The hand-held meter reader of a kind of low cost low-power consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916117A (en) * | 2015-06-10 | 2015-09-16 | 沈阳元和通达科技有限公司 | Equipment for monitoring and recording data of transformer area |
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2014
- 2014-12-31 CN CN201420869341.8U patent/CN204375155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916117A (en) * | 2015-06-10 | 2015-09-16 | 沈阳元和通达科技有限公司 | Equipment for monitoring and recording data of transformer area |
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