CN203630950U - Electric power acquisition terminal - Google Patents
Electric power acquisition terminal Download PDFInfo
- Publication number
- CN203630950U CN203630950U CN201320845900.7U CN201320845900U CN203630950U CN 203630950 U CN203630950 U CN 203630950U CN 201320845900 U CN201320845900 U CN 201320845900U CN 203630950 U CN203630950 U CN 203630950U
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- circuit
- battery
- electric power
- acquisition terminal
- power acquisition
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- 238000009499 grossing Methods 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000002618 waking effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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Abstract
The utility model discloses an electric power acquisition terminal which comprises a battery and an infrared awakened circuit, wherein the infrared awakened circuit comprises an infrared receiving tube, a coupling circuit, an amplifying circuit, an awakening retaining circuit and a battery switch control circuit; the battery switch control circuit is connected with the battery; the infrared receiving tube is used for receiving an awakening signal sent by an external device, and the awakening signal is coupled by the coupling circuit and then is transmitted into the amplifying circuit so as to be amplified; signal smoothing treatment is carried out on the amplified signal by the awakening retaining circuit; finally, the signal is transmitted into the battery switch control circuit, and a battery supply is turned on. According to the electric power acquisition terminal, the battery is triggered and turned on to supply powder by the infrared awakened circuit, so that a microprocessor is awakened to work. The electric power acquisition terminal can be awakened by infrared equipment without the intervention of the microprocessor, so that the power consumption is low, and the error awakening is effectively prevented.
Description
Technical field
The utility model relates to a kind of acquisition terminal, particularly a kind of electric power acquisition terminal.
Background technology
In electric power acquisition terminal operating, can preserve according to the ammeter data collecting every day, calculate day, last month and upper annual data and be kept in the storer of the machine.The operation that conventionally can have a power failure of maintenance or when maintenance, the data of electric power acquisition terminal inner afterwards that have a power failure cannot be known by maintenance personal.The wake-up circuit of electric power acquisition terminal is to adopt a microprocessor as control core substantially in the market, after receiving infrared signal by infrared receiving tube, pass to whether microprocessor identification is wake-up signal, if signal correctly, is opened battery feed circuit, start and can store data after electric power acquisition terminal and the associative operation such as read.There is power consumption greatly in which and receiver is easy to be disturbed and cause false wake-up by daylight lamp, electricity-saving lamp, sunshine.
Utility model content
The purpose of this utility model is to provide a kind of electric power acquisition terminal safely, fast and easily.
This electric power acquisition terminal that the utility model provides, comprises battery and infrared wake-up circuit, and this circuit comprises infrared receiving tube, coupled circuit, amplifying circuit, wakes holding circuit and cell switch control circuit up, and cell switch control circuit is connected with battery; The wake-up signal that infrared receiving tube reception external unit sends is coupled through coupled circuit, then reaches amplifying circuit and carries out signal amplification, then carry out signal smoothing processing by waking holding circuit up, finally reaches cell switch control circuit and connects battery supply by it.
Between described infrared receiving tube and described coupled circuit, be also connected a bandwidth-limited circuit.Described cell switch control circuit comprises battery gauge tap and battery change-over switch; The output terminal of battery gauge tap is connected with the controlled end of battery change-over switch.Described battery gauge tap adopts triode, and triode adopts the common emitter mode of connection.Described battery change-over switch adopts metal-oxide-semiconductor.
The utility model is triggered and is connected powered battery by infrared wake-up circuit, thereby wakes microprocessor work up.The utility model is got involved and just can be waken up by infrared equipment without microprocessor, low in energy consumption, and can effectively prevent false wake-up.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the physical circuit figure of the utility model infrared receiving tube, coupled circuit and amplifying circuit.
Fig. 3 is the physical circuit figure that the utility model wakes holding circuit and cell switch control circuit up.
Embodiment
As shown in Figure 1, the utility model comprises battery and infrared wake-up circuit.Infrared wake-up circuit comprises infrared receiving tube, coupled circuit, amplifying circuit, wakes holding circuit and cell switch control circuit up.Infrared receiving tube is connected with coupled circuit by bandwidth-limited circuit.Cell switch control circuit is connected with battery.The wake-up signal that infrared receiving tube reception external unit sends is through bandpass filtering circuit filtering, then obtained the signal of 38KHz frequency by coupled circuit coupling, reach again amplifying circuit and carry out signal amplification, carry out signal smoothing processing by waking holding circuit up afterwards, finally reach cell switch control circuit and connect battery supply by it.
Cell switch control circuit comprises battery gauge tap and battery change-over switch; The output terminal of battery gauge tap is connected with the controlled end of battery change-over switch.Battery gauge tap adopts triode, and triode adopts the common emitter mode of connection.Battery change-over switch adopts metal-oxide-semiconductor.
As shown in Figures 2 and 3, infrared receiving tube adopts infrared receiving tube LED2; Coupled circuit comprises coupling capacitance C29; Amplify Dai Ni road and comprise amplifier D10; Wake holding circuit up and comprise triode V45 and triode V39; Battery gauge tap adopts triode V32; Battery change-over switch adopts metal-oxide-semiconductor V38.
The negative electrode of infrared receiving tube LED2 is connected with power supply VCC, and capacitor C 34 is connected between power supply VCC and ground; This negative electrode is also by resistance R 77 resistance in series R78 series capacitance C41 ground connection again; The anode of this infrared receiving tube is by resistance R 58 ground connection, and this anode is also connected with 3 pin of amplifier D10 by coupling capacitance C29 resistance in series R71.5 pin of amplifier D10 are connected with power supply VCC; Its 4 pin is connected with 3 pin of static lightning strike protection pipe V10 by resistance R 78, and this pin is also by resistance R 78 series capacitance C41 ground connection, and this pin is also by resistance R 75 ground connection; Its 3 pin is by capacitor C 35 ground connection, and this pin is also by resistance R 71 resistance in series R67 ground connection; 2 pin ground connection of this amplifier; Its 1 pin is connected with the base stage of waking the triode V45 in holding circuit up by resistance R 72 resistance in series R172, for transmitting wake up trigger signal ir-WAKE.After being connected with 2 pin, passes through on 1 pin of static lightning strike protection pipe V10 the anodic bonding of resistance R 61 and infrared receiving tube LED2.
The base stage of triode V45 is by resistance R 161 ground connection; Its grounded emitter; Its collector is connected with battery supply V_BATT by resistance R 153, and this pin is also connected with the base stage of triode V39 by resistance R 155.The emitter of triode V39 is connected with battery supply V_BATT; Its collector is by resistance R 129 ground connection, and this pin is also connected with the base stage of triode V32 by resistance R 131, for transmitting cell switch control signal V4P7_CTRL.
The grounded emitter of triode V32; Its collector is connected with battery supply V_BATT by resistance R 146, and this collector is also connected with the grid of metal-oxide-semiconductor V38 by resistance R 147.The source electrode of metal-oxide-semiconductor V38 is connected with battery supply V_BATT; Its drain electrode is by resistance R 148 ground connection, and this drain electrode is also connected with primary power.
When work, infrared palm machine sends the wake-up signal of 38KHz, and infrared receiving tube of the present utility model receives this signal as collection signal source, then passes through the wake-up signal of this 38KHz through overcoupled circuits frequency-selecting; If distant, need signal to amplify, the signal after amplification has enough energy and removes to promote cell switch control circuit.In addition, because the waveform that far infrared is sent is discontinuous, need smoothing processing cell switch control signal, now wake holding circuit work up, reach the object of start battery acquisition terminal.
The utility model can be realized the freezing data and the parameters that have a power failure in rear reading terminals storer.Because electric power acquisition terminal is arranged on the place that eminence and personnel cannot contact, adopting infrared palm machine to communicate by letter with infrared interface of the present utility model is a kind of safe, quick and easy approach.
Claims (5)
1. an electric power acquisition terminal, comprise battery, it is characterized in that, this terminal also comprises infrared wake-up circuit, this circuit comprises infrared receiving tube, coupled circuit, amplifying circuit, wakes holding circuit and cell switch control circuit up, and cell switch control circuit is connected with battery; The wake-up signal that infrared receiving tube reception external unit sends is coupled through coupled circuit, then reaches amplifying circuit and carries out signal amplification, then carry out signal smoothing processing by waking holding circuit up, finally reaches cell switch control circuit and connects battery supply by it.
2. electric power acquisition terminal according to claim 1, is characterized in that, between described infrared receiving tube and described coupled circuit, is also connected a bandwidth-limited circuit.
3. electric power acquisition terminal according to claim 1, is characterized in that, described cell switch control circuit comprises battery gauge tap and battery change-over switch; The output terminal of battery gauge tap is connected with the controlled end of battery change-over switch.
4. electric power acquisition terminal according to claim 3, is characterized in that, described battery gauge tap adopts triode, and triode adopts the common emitter mode of connection.
5. electric power acquisition terminal according to claim 3, is characterized in that, described battery change-over switch adopts metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845900.7U CN203630950U (en) | 2013-12-20 | 2013-12-20 | Electric power acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845900.7U CN203630950U (en) | 2013-12-20 | 2013-12-20 | Electric power acquisition terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630950U true CN203630950U (en) | 2014-06-04 |
Family
ID=50817407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320845900.7U Expired - Lifetime CN203630950U (en) | 2013-12-20 | 2013-12-20 | Electric power acquisition terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166140A (en) * | 2019-04-03 | 2019-08-23 | 武汉华讯天达网络科技有限公司 | A kind of infrared receiving device |
| CN110286618A (en) * | 2019-06-04 | 2019-09-27 | 珠海华裕鑫科技有限公司 | A kind of energy-saving management system and method for intellectual water meter |
-
2013
- 2013-12-20 CN CN201320845900.7U patent/CN203630950U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166140A (en) * | 2019-04-03 | 2019-08-23 | 武汉华讯天达网络科技有限公司 | A kind of infrared receiving device |
| CN110166140B (en) * | 2019-04-03 | 2021-12-03 | 武汉华讯天达网络科技有限公司 | Infrared receiving device |
| CN110286618A (en) * | 2019-06-04 | 2019-09-27 | 珠海华裕鑫科技有限公司 | A kind of energy-saving management system and method for intellectual water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |