CN204177838U - Multichannel AC ammeter - Google Patents
Multichannel AC ammeter Download PDFInfo
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- CN204177838U CN204177838U CN201420681090.0U CN201420681090U CN204177838U CN 204177838 U CN204177838 U CN 204177838U CN 201420681090 U CN201420681090 U CN 201420681090U CN 204177838 U CN204177838 U CN 204177838U
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Abstract
The utility model provides a kind of multichannel AC ammeter, comprise programming controller module and unidirectional display module, key-press module and the power module being connected to programming controller module one end, described programming controller inside modules is provided with identification module, described programming controller module has also been bi-directionally connected communication module, memory module and metering module, the two-way of described metering module is connected to storage chip module, and described identification module is by storage chip Module recognition metering module.The advantage that the utility model has that matching is higher, cost is measured in flexible function and reduction.
Description
Technical field
The utility model relates to a kind of AC ammeter, particularly relates to a kind of multichannel AC ammeter with frequency analysis.
Background technology
Along with the integrated level of circuit is more and more higher, multiloop multifunction electric meter more and more comes into one's own.Multichannel table function is in the market simple and easy single, and Internal Gauge chip cannot change, and the measurement way of multichannel table is immobilized, if when the circuit way that user will detect is less than the way of metering circuit, can cause the waste of resource; If when the circuit way that user will detect is greater than measurement way, then the multichannel AC ammeter that computation chip is more must be changed, cause the raising of measuring cost, user also can be made to use inconvenience, make user experience not high.In addition, the program versatility of the inside chip of existing multichannel AC ammeter is poor, make cost of manufacture higher, and production efficiency is lower.
Therefore, be necessary to provide a kind of multichannel AC ammeter of improvement to solve the problem.
Utility model content
The purpose of this utility model is to provide a kind of the way of testing circuit as required can change the multichannel AC ammeter of metering module number.
For realizing above-mentioned utility model object, the utility model provides a kind of multichannel AC ammeter, comprise programming controller module and unidirectional display module, key-press module and the power module being connected to programming controller module one end, described programming controller inside modules is provided with identification module, described programming controller module has also been bi-directionally connected communication module, memory module and metering module, described metering module has been bi-directionally connected storage chip module, and described identification module is by storage chip Module recognition metering module.
As further improvement of the utility model, described metering module comprises the computation chip of multiple different number, no more than 4 of the number of described metering module.
As further improvement of the utility model, any one in described multiple computation chip all can work independently.
As further improvement of the utility model, described multiple computation chip is three-phase or single-phase measurement chip, and described multiple computation chip can gather No. 4 three-phase circuits or gather the electrical quantity of No. 12 single-phase circuits.
As further improvement of the utility model, the input end of described metering module is connected with sampling module, and described sampling module comprises voltage sample submodule and current sample submodule.
As further improvement of the utility model, the input end of described metering module is connected with chip power module.
As further improvement of the utility model, the model of described computation chip is ATT7022E.
As further improvement of the utility model, described storage chip module includes storage chip, and the model of described storage chip is 24C256.
As further improvement of the utility model, the model of described programming controller module is STM32F303RB.
As further improvement of the utility model, the driving chip model of described communication module is MAX3085ESA.
The beneficial effects of the utility model are: the utility model is by being bi-directionally connected chip-stored module in one end of metering module, and read by the identification module of programming controller inside modules the chip-stored inside modules data connecting metering module, judge the number of metering module.Realize when user changes the number of metering module, the utility model multichannel AC ammeter can automatically identify, and configures different detection ways according to the number of concrete metering module, to adapt to the multi-way detecting circuit on market.The advantage that the utility model has that matching is higher, cost is measured in flexible function and reduction.
Accompanying drawing explanation
Fig. 1 is the signal wiring block diagram of the utility model multichannel AC ammeter.
Fig. 2 is the identification process figure of the metering module of the utility model multichannel AC ammeter.
Embodiment
Being described in detail the utility model below with reference to each embodiment shown in the drawings, please refer to shown in Fig. 1, is a better embodiment of the utility model multichannel AC ammeter.
The utility model relates to a kind of multichannel AC ammeter, comprises programming controller module, is arranged at the identification module of programming controller inside modules, display module, key-press module, power module, communication module, metering module, storage chip module, sampling module and chip power module.Described key-press module and the unidirectional input end being connected to programming controller module of power module.The unidirectional output terminal being connected to programming controller module of described display module.Described communication module, memory module and metering module are bi-directionally connected with programming controller module respectively.Described storage chip module and described metering module are bi-directionally connected.Described sampling module and the unidirectional input end being connected to described storage chip module of chip power module, described sampling module comprises voltage sample submodule and current sample submodule, to sample to the voltage and current of testing circuit.Described chip power module can be powered to storage chip module.Described storage chip module includes storage chip, and the model of described storage chip is 24C256.Described metering module comprises sampling board and is arranged at the multiple computation chips on sampling board, and the input end of described computation chip is connected with current transformer and the voltage transformer (VT) of different parameters.During utility model works, described computation chip carries out acquisition and processing to the signal that current transformer and voltage transformer (VT) export, and to obtain the electrical quantity such as active energy, capacity of idle power, power of testing circuit, and result is presented on display module.Described programming controller module controls whole system.
Described programming controller module is MCU programming controller, the continuous data detected stores and exports the display of described display module after being converted into electricity consumption data to by described programming controller module, the raw electrical signal collected is calculated simultaneously, be kept in internal memory after obtaining harmonic data, wait to be uploaded.The model of described MCU programming controller is STM32F303RB.Described display module is LCD display module, and the model of its driving chip is HT1621B.
No more than 4 of computation chip number in described metering module, and the input end of each computation chip can connect current transformer and the voltage transformer (VT) of different parameters, the model of described computation chip is ATT7022E.In the present embodiment, described metering module is configured with 4 computation chips, and described 4 computation chips all have independently acquisition channel.Wherein each chip all can work independently, and namely can configure different parameters, and described metering module can gather the electrical quantity of 4 road three-phases or No. 12 single-phase circuits, and can carry out frequency analysis to each loop.Client can the demand of basis and the situation of erecting stage, changes the quantity of computation chip, to adapt to the needs in market and detection, reduces and measures cost.
Described memory module is in order to deposit configuration parameter and the calibration parameter of the utility model multichannel AC ammeter, and user modifies to above-mentioned configuration parameter and calibration parameter by key-press module or communication module.Wherein, the model of described storage chip is 24C256.Described communication module is 485 or 232 communication modules, and in the present embodiment, described communication module is 485 communication modules, and its driving chip model is MAX3085ESA.
See Fig. 2, described programming controller module MCU inside is provided with described identification module by programming, and described identification module connects the chip-stored inside modules data of metering module by reading, judge the number of metering module, the step of its software identification is:
(1) described programming controller module MCU reads the storage data of the storage chip be connected with sampling board by identification module, and store data if read unsuccessful, then board of sampling does not exist, end of identification; Store data success if read, then board of sampling exists and can normally work.
(2) store data success if read, start initialization computation chip, if the success of initialization computation chip, then computation chip can normally work; If initialization computation chip is unsuccessful, then illustrate that sampling board exists, computation chip operation irregularity, then identification module carries out next acquisition channel and identifies.
(3) successively 4 computation chips are identified, the final number confirming computation chip.
After chip module number to be batched confirms, the utility model multichannel AC ammeter, by the type of configuration sampling board, way of sampling and current transformer, to obtain the electrical quantity in each loop, and can carry out frequency analysis to each loop.
In sum, the utility model is by being bi-directionally connected chip-stored module at metering module, and the storage data whether being read chip-stored module by the identification module in program are to detect the number of metering module, so that user changes according to the number of the way of actual testing circuit to metering module, the advantage that the utility model has that matching is higher, cost is measured in flexible function and reduction.
Be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.
Claims (10)
1. a multichannel AC ammeter, comprise programming controller module and unidirectional display module, key-press module and the power module being connected to programming controller module one end, it is characterized in that: described programming controller inside modules is provided with identification module, described programming controller module has also been bi-directionally connected communication module, memory module and metering module, described metering module is two-way is connected to storage chip module, and described identification module is by storage chip Module recognition metering module.
2. multichannel AC ammeter according to claim 1, described metering module comprises the computation chip of multiple different number, no more than 4 of the number of described metering module.
3. multichannel AC ammeter according to claim 2, any one in described multiple computation chip all can work independently.
4. multichannel AC ammeter according to claim 2, described multiple computation chip can be used as three-phase or single-phase measurement chip, and described multiple computation chip can gather No. 4 three-phase circuits or gather the electrical quantity of No. 12 single-phase circuits.
5. multichannel AC ammeter according to claim 1, the input end of described metering module is connected with sampling module, and described sampling module comprises voltage sample submodule and current sample submodule.
6. multichannel AC ammeter according to claim 1, the input end of described metering module is connected with chip power module.
7. multichannel AC ammeter according to claim 1, the model of described computation chip is ATT7022E.
8. multichannel AC ammeter according to claim 1, described storage chip module includes storage chip, and the model of described storage chip is 24C256.
9. multichannel AC ammeter according to claim 1, the model of described programming controller module is STM32F303RB.
10. multichannel AC ammeter according to claim 1, the driving chip model of described communication module is MAX3085ESA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681090.0U CN204177838U (en) | 2014-11-14 | 2014-11-14 | Multichannel AC ammeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681090.0U CN204177838U (en) | 2014-11-14 | 2014-11-14 | Multichannel AC ammeter |
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| Publication Number | Publication Date |
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| CN204177838U true CN204177838U (en) | 2015-02-25 |
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| CN201420681090.0U Expired - Fee Related CN204177838U (en) | 2014-11-14 | 2014-11-14 | Multichannel AC ammeter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291088A (en) * | 2016-07-25 | 2017-01-04 | 广东工业大学 | A kind of intelligent electric meter |
| CN110456150A (en) * | 2019-06-28 | 2019-11-15 | 宁波三星医疗电气股份有限公司 | A kind of date storage method of multiplexing electric energy meter and the electric energy meter |
| CN111192449A (en) * | 2019-12-26 | 2020-05-22 | 宁波三星智能电气有限公司 | User power consumption determination method and device and electronic equipment |
-
2014
- 2014-11-14 CN CN201420681090.0U patent/CN204177838U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291088A (en) * | 2016-07-25 | 2017-01-04 | 广东工业大学 | A kind of intelligent electric meter |
| CN110456150A (en) * | 2019-06-28 | 2019-11-15 | 宁波三星医疗电气股份有限公司 | A kind of date storage method of multiplexing electric energy meter and the electric energy meter |
| CN111192449A (en) * | 2019-12-26 | 2020-05-22 | 宁波三星智能电气有限公司 | User power consumption determination method and device and electronic equipment |
| CN111192449B (en) * | 2019-12-26 | 2020-12-01 | 宁波三星智能电气有限公司 | User power consumption determination method and device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215126 No. 88 Sheng Jie Road, Su Sheng East Road, Suzhou Industrial Park, Jiangsu Patentee after: SUZHOU NEWHONGBO INTELLIGENT TECHNOLOGY CO., LTD. Address before: 215126 No. 88 Sheng Jie Road, Su Sheng East Road, Suzhou Industrial Park, Jiangsu Patentee before: Suzhou Industrial Prak New Hongbo Communication Technology Co., Ltd. |
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| 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: 20150225 Termination date: 20181114 |