CN201515310U - Dummy battery device - Google Patents
Dummy battery device Download PDFInfo
- Publication number
- CN201515310U CN201515310U CN2009203109617U CN200920310961U CN201515310U CN 201515310 U CN201515310 U CN 201515310U CN 2009203109617 U CN2009203109617 U CN 2009203109617U CN 200920310961 U CN200920310961 U CN 200920310961U CN 201515310 U CN201515310 U CN 201515310U
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- electrically connects
- output terminal
- operational amplifier
- voltage
- effect transistor
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a dummy battery device which comprises a power input terminal and a voltage conversion unit; the voltage conversion unit comprises an analog voltage output terminal, wherein the analog voltage output terminal is electrically connected with a splicing part; the splicing part comprises an anode output terminal, a cathode output terminal and a thermosensitive control terminal, wherein the anode output terminal is electrically connected with the analog voltage output terminal, and the cathode output terminal is grounded; the thermosensitive control terminal is electrically connected with one end of a thermosensitive resistor; the thermosensitive control terminal is also connected with a positive input terminal of an operational amplifier, and a negative input terminal of the operational amplifier is grounded; an output terminal of the operational amplifier is electrically connected with a grid electrode of a field effect transistor, and a drain electrode of the field effect transistor is electrically connected with the anode output terminal; and a source electrode of the field effect transistor is electrically connected with one end of a first resistor, and the other end of the first resistor is grounded. When the dummy battery device is energized with a direct current voltage source, and after the splicing part and the battery jar of an electronic product are electrically isolated, the first resistor does not operate so as to avoid the consumption of electrical energy.
Description
[technical field]
The utility model is a kind of false cell apparatus, particularly a kind of false cell apparatus capable of reducing energy consumption.
[background technology]
When electronic product is tested,, then need before test, corresponding cylindrical cell be placed in the battery case of electronic product if this electronic product is to adopt cylindrical cell (for example No. 5 dry cells or No. 7 dry cells etc.) to power.Test according to present this method, have following undesirable condition and take place: repeatedly test back battery can need frequent the replacing because of electric weight is not enough, and battery consumption is the still waste of corporate resource not, has also caused serious pollution to environment.
Another kind of scheme is to replace dry cell with false battery, and for example, there are 4 battery cases arranged side by side at a certain electronic product back side, and each battery case can hold a joint dry cell.Usually, replace this 4 joint dry cell with a false cell apparatus.Existing false battery as shown in Figure 1, a kind of false battery comprises: power input 10, voltage transformation module 20, Plug Division 30, thermistor 40 and first resistance 50, described voltage transformation module 20 comprises that aanalogvoltage output 21 exports first voltage or second voltage with selectivity, wherein, the first voltage analog battery saturation condition, the second voltage analog battery under-voltage condition; Described Plug Division 30 comprises cathode output end 31, cathode output end 32 and temperature-sensitive control end 33, and wherein, cathode output end 31 electrically connects aanalogvoltage output 21, cathode output end 32 ground connection; One end of described thermistor 40 electrically connects temperature-sensitive control end 33, and the other end ground connection of thermistor 40; One end of described first resistance 50 electrically connects cathode output end 31, and the other end ground connection of first resistance 50.
When using false battery to test, need false battery is connected direct voltage source 60, and with the Plug Division 30 of the false batteries of pegging graft in the tested electronic product battery case 70, when aanalogvoltage output 21 outputs first voltage, can test the performance after the electronic product charging is finished, and when aanalogvoltage output 21 output second voltage, the performance in the time of can testing the electronic product charging and carry out.After a tested electronic product test was finished, the tester only can extract Plug Division 30 in the battery case 70 of electronic product, and can be with power input 10 and direct voltage source 60 outages.When power input 10 is connected direct voltage sources 60, but Plug Division 30 is not when dock with electronic product, and first resistance 50 still electrically connects with voltage transformation module 20 and is in conducting state, understands consumed power and produces waste.
[summary of the invention]
Main purpose of the present utility model is to provide a kind of false cell apparatus capable of reducing energy consumption.
To achieve the above object, the utility model provides a kind of false cell apparatus, and it comprises power input, and it is used to electrically connect direct voltage source; Described power input electrically connects voltage transformation module, and voltage transformation module comprises that the aanalogvoltage output exports first voltage or second voltage with selectivity, wherein, and the first voltage analog battery saturation condition, the second voltage analog battery under-voltage condition; The aanalogvoltage output electrically connects the Plug Division, and described Plug Division comprises cathode output end, cathode output end and temperature-sensitive control end, and wherein, cathode output end electrically connects aanalogvoltage output, cathode output end ground connection; The temperature-sensitive control end electrically connects an end of thermistor, and the other end ground connection of thermistor; And the temperature-sensitive control end also electrically connects the positive input terminal of operational amplifier, the negative input end ground connection of described operational amplifier; And the output of operational amplifier electrically connects the grid of field-effect transistor, and the drain electrode of field-effect transistor electrically connects cathode output end; The source electrode of field-effect transistor electrically connects an end of first resistance, and the other end ground connection of first resistance.
Compared with prior art, the false cell apparatus of the utility model is being connected direct voltage source, and between the battery case of Plug Division and electronic product after electrical the contact, first resistance can be worked.And connecting direct voltage source when false cell apparatus, but between the battery case of Plug Division and electronic product after the electrical isolation, first resistance is not worked, thereby avoids the consumption of electric energy.
[description of drawings]
Fig. 1 is the circuit diagram of existing false battery.
Fig. 2 is the circuit diagram of the false cell apparatus of the utility model.
[embodiment]
See also shown in Figure 2ly, the false cell apparatus of the utility model comprises power input 10, and it is used to electrically connect direct voltage source 60; Described power input 10 electrically connects voltage transformation module 20, in present embodiment, described voltage transformation module 20 comprises aanalogvoltage output 21, Manual Transfer Switch 22 (also Manual Transfer Switch 22 can be replaced to intelligent switch) and voltage regulator 23, wherein, one end of Manual Transfer Switch 22 electrically connects power input 10, and the other end of Manual Transfer Switch 22 electrically connects aanalogvoltage output 21, and is connected in parallel between described Manual Transfer Switch 22 and the voltage regulator 23; Aanalogvoltage output 21 is exported first voltage or second voltage with selectivity, exports first voltage, the described first voltage analog battery saturation condition when Manual Transfer Switch 22 closures; And when Manual Transfer Switch 23 disconnects, export second voltage, the described second voltage analog battery under-voltage condition.Aanalogvoltage output 21 electrically connects Plug Division 30, and described Plug Division 30 comprises cathode output end 31, cathode output end 32 and temperature-sensitive control end 33, and wherein, cathode output end 31 electrically connects aanalogvoltage output 21, cathode output end 32 ground connection; Temperature-sensitive control end 33 electrically connects an end of thermistor 40, and the other end ground connection of thermistor 40; And temperature-sensitive control end 33 also electrically connects the positive input terminal of operational amplifier 80, the negative input end ground connection of described operational amplifier 80; And the output of operational amplifier 80 electrically connects the grid of field-effect transistor 90, and the drain electrode of field-effect transistor 90 electrically connects cathode output end 31; The source electrode of field-effect transistor 90 electrically connects an end of first resistance 50, and the other end ground connection of first resistance 50
When using false cell apparatus to test, need false cell apparatus is connected direct voltage source 60, and with the Plug Division 30 of the false cell apparatus of pegging graft in the tested electronic product battery case 70, temperature-sensitive control end 33 just has the signal of telecommunication to produce, at this moment, the signal of telecommunication carries out processing and amplifying behind the positive input terminal of operational amplifier 80, and at the output of operational amplifier 80 output high level signal, and make field-effect transistor 90 be in conducting state, first resistance 50 is in running order, when aanalogvoltage output 21 outputs first voltage, can test the performance after the electronic product charging is finished, and when aanalogvoltage output 21 output second voltage, the performance in the time of can testing the electronic product charging and carry out.
When false cell apparatus is connected direct voltage source 60, but when does not dock with battery case 70 Plug Division 30, temperature-sensitive control end 33 is in vacant state, at this moment, the output of the positive input terminal of operational amplifier 80 and operational amplifier 80 is a low level state, and make field-effect transistor 90 be in closed condition, promptly the circuit at first resistance, 50 places is an off-state, thereby can effectively avoid waste of electric energy.
Claims (2)
1. false cell apparatus is characterized in that comprising:
Power input, it electrically connects direct voltage source;
Voltage transformation module electrically connect power input, and voltage transformation module comprises the aanalogvoltage output;
The Plug Division, it comprises cathode output end, cathode output end and temperature-sensitive control end, wherein, cathode output end electrically connects aanalogvoltage output, cathode output end ground connection;
Thermistor, the one end electrically connects the temperature-sensitive control end, and the other end ground connection of thermistor;
Operational amplifier, its positive input terminal electrically connects temperature-sensitive control end, the negative input end ground connection of described operational amplifier;
Field-effect transistor, its grid electrically connects the output of operational amplifier, and the drain electrode of field-effect transistor electrically connects cathode output end;
First resistance, the one end electrically connects the source electrode of field-effect transistor, and the other end ground connection of first resistance.
2. false cell apparatus according to claim 1, it is characterized in that: described voltage transformation module comprises Manual Transfer Switch and voltage regulator, wherein, one end of Manual Transfer Switch electrically connects direct voltage source, and the other end of Manual Transfer Switch electrically connects the aanalogvoltage output, and is connected in parallel between described Manual Transfer Switch and the voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203109617U CN201515310U (en) | 2009-09-22 | 2009-09-22 | Dummy battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203109617U CN201515310U (en) | 2009-09-22 | 2009-09-22 | Dummy battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201515310U true CN201515310U (en) | 2010-06-23 |
Family
ID=42486720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203109617U Expired - Fee Related CN201515310U (en) | 2009-09-22 | 2009-09-22 | Dummy battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201515310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599931A (en) * | 2018-11-23 | 2019-04-09 | 欣旺达电子股份有限公司 | General mobile phone vacation battery |
-
2009
- 2009-09-22 CN CN2009203109617U patent/CN201515310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599931A (en) * | 2018-11-23 | 2019-04-09 | 欣旺达电子股份有限公司 | General mobile phone vacation battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20130922 |