CN203377648U - Improved circuit sharing contact in triggering and charging - Google Patents
Improved circuit sharing contact in triggering and charging Download PDFInfo
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- CN203377648U CN203377648U CN201320467379.8U CN201320467379U CN203377648U CN 203377648 U CN203377648 U CN 203377648U CN 201320467379 U CN201320467379 U CN 201320467379U CN 203377648 U CN203377648 U CN 203377648U
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Abstract
The utility model discloses an improved circuit sharing a contact in trigging and charging. The circuit comprises a power supply circuit, a triggering module and a charging unit, wherein the triggering module and the charging unit are connected with the power supply circuit, the triggering module is provided with a first connecting end, a second connecting end and a third connecting end, the first connecting end is connected with a positive electrode of the power supply circuit, the second connecting end is connected with a negative electrode of the power supply circuit, and the third connecting end is provided with a first contact. The circuit is characterized in that the charging unit is provided with a diode and a second contact, the diode is connected with the first connecting end and the third connecting end of the triggering module, the second contact is arranged adjacent to the first contact and connected to the second connecting end, a positive electrode of the diode is connected with the third connecting end, and a negative electrode of the diode is connected with the first connecting end. The circuit disclosed by the utility model can enable charging and triggering to use the same contact, and can realize functions of charging and triggering without requiring multiple contacts, thereby saving space, and reducing the leakage rate of underwater products at the same time.
Description
Technical field
The utility model relates to a kind of charging and triggers the circuit of common contact, the common circuit that uses same contacts of especially a kind of charging and triggering.
Background technology
Existing rechargeable battery is owing to reusing, though unit price higher than rechargeable battery not, the electric energy power supply cost divided in the unit interval is much lower, and can reduce a large amount of rubbish, economy is environmental protection again, so that range of application is got up is wider.Because rechargeable battery needs charging, so minimum, to there be two limits to charge for external recharging apparatus.
Present a lot of circuit are to give a signal by the external world then start working or carry out a certain operation, this signal is called triggering signal usually, the mode triggered has a variety of, usually be all that some signals of the external world are converted into to the signal of telecommunication, as vibrate triggering, sounds trigger, light triggers, temperature humidity triggering etc., it is the weak inductive that utilizes water that water triggers, and can allow electric circuit inspection have electric current to flow through between two contacts, if set suitable parameter, because the person also has weak inductive, so human body also can trigger; Also can circuits for triggering when in like manner, when setting parameter is suitable, other the object that possesses certain electric conductivity contacts with two contacts.
Generally two contacts of charging and two contacts of triggering can not share, otherwise may cause battery short circuit, from face, damage battery or cause other harm.Usually can only share a positive pole or a negative pole, so just have three contacts to draw in the housing of product.Accompanying drawing 1 is the circuit of existing while with charging and Trigger Function, and during the J2 conducting of J1Yu contact, contact, for circuits for triggering, J1Yu contact, contact J3 can charge to rechargeable battery by external power supply.When some products have while requiring than high sealing, as some products under water, so not only increase cost, take more space, occur that the chance of leaking has also increased.If three contacts further can be reduced to two again, the problems referred to above will be further improved undoubtedly.
The utility model content
The purpose of this utility model, overcome exactly the deficiencies in the prior art, provide two contacts of a kind of needs just can be used separately as to trigger and the circuit of charge function, and circuits for triggering during two contact conductings, and can not cause battery short circuit or the very large electric current of extra consumption.
In order to achieve the above object, adopt following technical scheme:
The circuit of a kind of improved triggering and charging common contact, comprise power circuit, the trigger module and the charhing unit that connect respectively power circuit, described trigger module is provided with the first link, the second link and the 3rd link, described the first link is connected with the positive pole of power circuit, the second link is connected with the negative pole of power circuit, described the 3rd link is provided with the first contact, it is characterized in that: described charhing unit is provided with the first link that connects trigger module, the diode of the 3rd link, and with second contact that is connected to the second link of the first adjacent setting in contact, described diode cathode connects the 3rd link, negative pole connects the first link.
Further, described power circuit comprises rechargeable battery, reaches first electric capacity in parallel with rechargeable battery.
Further, described trigger module comprises trigger element, MCU and reception signal element, described trigger element comprises the first resistance, the second resistance, the 3rd resistance and the first triode, described the first resistance and the series connection of the second resistance, the first resistance one end is connected to the first link, and the other end is connected to the second resistance; The second resistance one end connects the first resistance, and the other end is connected to the 3rd link, and the base stage of the first triode is connected to the joining of the first resistance and the second resistance, and emitter is connected to the first link, and collector electrode is connected to an end of the 3rd resistance; The other end of the 3rd resistance is connected to the second link; Described MCU is connected to the joining of collector electrode and the 3rd resistance of the first triode.
Further, described trigger element also comprises the second electric capacity, and its two ends connect respectively the collector electrode of the first triode and joining and first link of the 3rd resistance.
The 3rd electric capacity of ground connection is set between described MCU and the first link further.
Further, described reception signal element comprises receiver, the second triode, the 4th resistance and the 5th resistance;
Described receiver comprises the power supply utmost point, earth electrode and output stage, and wherein the power supply utmost point is connected with the first link, and output stage is connected with MCU, and earth electrode is connected with the collector electrode of the second triode;
The base stage of described the second triode by the 4th resistance with MCU, be connected, emitter is connected with the negative pole of rechargeable battery;
Described the 5th resistance two ends are connected to respectively the output stage of the first link and receiver.
Further, described reception signal element also comprises the 4th electric capacity, and its two ends connect respectively the power supply utmost point and the earth electrode of receiver.
Further, described charhing unit also comprises the 3rd contact with the first contact and the second adjacent setting in contact, and described the 3rd contact is connected to the first link.
Compared with prior art, the beneficial effects of the utility model are:
By the utility model, can make charging use identical contact with triggering, not need a plurality of contacts also can realize charging and the function triggered, save space.The utility model is the current direction battery when the external power supply of contact, and circuits for triggering not, and when two contacts are conducting a circuits for triggering, and can not cause battery short circuit or additionally consume very large electric current.If the utility model is used product under water, just can reduce product under water and the probability leaked occur.
The accompanying drawing explanation
Fig. 1 is the circuit connection diagram of existing charging and circuits for triggering;
Fig. 2 is the circuit structure sketch of the utility model described charging of the first embodiment and circuits for triggering common contact;
Fig. 3 is the circuit connection diagram of the utility model described charging of the first embodiment and circuits for triggering common contact;
Fig. 4 is the circuit connection diagram of the utility model described charging of the second embodiment and circuits for triggering common contact.
Diagram: the 1-the first link; The 2-the second link; The 3-the three link.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further:
Embodiment mono-
As shown in Figure 2, the present embodiment comprises power circuit, trigger module and charhing unit.Power circuit comprises rechargeable battery, reaches first capacitor C 1 for power filter in parallel with rechargeable battery.The first capacitor C 1 is preferably the 1u/50v ceramic disc capacitor.Rechargeable battery is in order to provide electric energy to whole circuit.Trigger module is provided with the first link 1, the second link 2 and the 3rd link 3.Wherein the first link 1 is connected with the positive pole of rechargeable battery, and the second link 2 is connected with the negative pole of rechargeable battery, and described the 3rd link 3 is provided with the first contact J1 exposed.Charhing unit is provided with the first link 1 that connects trigger module, the diode D1 of the 3rd link 3, and with the second contact J2 that is connected to the second link 2 of the adjacent setting of the first contact J1.The second contact J2 is also the contact of exposing.The positive pole of diode D1 connects the 3rd link 3, and negative pole connects the first link 1.When in the first contact J1 and the second contact J2 conducting, trigger module produces corresponding operation.Because diode is one-way conduction, rechargeable battery can not increase extra load because of diode.When the first contact J1 connects the negative pole of external power, the second contact J2 connects the positive pole of external power, and external power voltage is during higher than cell voltage, electric current is through diode and to rechargeable battery, thereby, to the rechargeable battery charging, trigger module, not in the triggering state, is realized with two identical contacts, both can charge to rechargeable battery, can trigger trigger module again.
Trigger module comprises trigger element, MCU and reception signal element.As shown in Figure 3, trigger element comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the first triode Q1.The first resistance R 1 and the series connection of the second resistance R 2, and the first resistance R 1 after series connection and the two ends of R2 are connected to respectively the first link and the 3rd link.Wherein the first link is connected to the positive pole of rechargeable battery, and the second link is connected to the negative pole of rechargeable battery.The base stage of the first triode Q1 is connected to the joining of the first resistance R 1 and the second resistance R 2, and emitter is connected to the first link, and collector electrode is connected to an end of the 3rd resistance R 3, and the other end of the 3rd resistance R 3 is connected to the second link.MCU is connected to the collector electrode of the first triode Q1 and the joining of the 3rd resistance R 3.Preferably, described trigger element also comprises the second capacitor C 2, and its two ends connect respectively the collector electrode of the first triode Q1 and joining and first link of the 3rd resistance R 3.The 3rd capacitor C 3 of ground connection is set between MCU and the first link.
Receive signal element and comprise receiver, the second triode Q2, the 4th resistance R 4 and the 5th resistance R 5.Wherein receiver comprises power supply utmost point VDD, earth electrode GND and output stage OUT, and wherein power supply utmost point VDD is connected with the first link, and output stage OUT is connected with MCU, and earth electrode GND is connected with the collector electrode of the second triode Q2.The base stage of the second triode Q2 is connected with MCU by the 4th resistance.The 5th resistance R 5 two ends be connected to respectively the first link and receiver output stage OUT.Receive signal element and also comprise the 4th electric capacity, the 4th electric capacity two ends connect respectively power supply utmost point VDD and the earth electrode GND of receiver.When between the first contact J1 and the second contact J2 during conducting, due to the effect of rechargeable battery, between the first resistance R 1 and the second resistance R 2, current potential changes, the first triode Q1 conducting, thus the 3rd resistance R 3 upside voltages raise, thereby produce high level, trigger MCU.When the first contact J1 and the second contact not conducting of J2, the first contact J1 connects the positive pole of external power, the second contact J2 connects the negative pole of external power, and external power voltage is during higher than cell voltage, electric current is through diode D1 and to rechargeable battery, thereby, to the rechargeable battery charging, the second resistance R 2 is in high level state, the first triode Q1 can't conducting, and trigger module is not in triggering state.In this example, the resistance of the second resistance R 2 is 4.7k Ω, and the resistance of the first resistance R 1 is 500k Ω, and the resistance of the 3rd resistance R 3 is 1M Ω, and the capacitance that the model of the first triode Q1 is 9015, the second capacitor C 2 is 0.1 μ F.
Receiver can be infrared receiver, and MCU is delivered in its receiving infrared-ray signal shaping.The L1 be connected with MCU is load, is a coil herein, and actual can be other load, also can be by amplifying circuit in order to control some heavy loads, such as motor etc.
The present embodiment may be used on the underwater electric product, as electronic toy fish etc., while entering water, work can be carried out by circuits for triggering in two contacts, when battery power is inadequate, can also charge the battery with two same contacts, structure can be simple, and the chance that product leaks also less.
Embodiment bis-
As shown in Figure 4, the present embodiment retains existing the 3rd contact J3 on the basis of embodiment mono-, and the 3rd contact J3 is arranged on the first contact J1 and the second J2 adjacent position, contact, and it is connected to the first link, with the positive pole of rechargeable battery, is connected.In the situation that diode D1 lost efficacy, also can use the charhing unit formed by the 3rd contact J3 and the second contact J2 to be charged to rechargeable battery.
The foregoing is only the preferred embodiment of explaining the utility model, not the utility model is done to any formal restriction.All any modification or changes of the relevant the utility model of doing under identical utility model spirit, all must be included in the category of the utility model intention protection.
Claims (8)
1. the circuit of an improved triggering and charging common contact, comprise power circuit, the trigger module and the charhing unit that connect respectively power circuit, described trigger module is provided with the first link, the second link and the 3rd link, described the first link is connected with the positive pole of power circuit, the second link is connected with the negative pole of power circuit, described the 3rd link is provided with the first contact, it is characterized in that: described charhing unit is provided with the first link that connects trigger module, the diode of the 3rd link, and with second contact that is connected to the second link of the first adjacent setting in contact, described diode cathode connects the 3rd link, negative pole connects the first link.
2. the circuit of improved triggering according to claim 1 and charging common contact, it is characterized in that: described power circuit comprises rechargeable battery, and first electric capacity in parallel with rechargeable battery.
Improved triggering according to claim 1 and the charging common contact circuit, it is characterized in that: described trigger module comprises trigger element, MCU and reception signal element, described trigger element comprises the first resistance, the second resistance, the 3rd resistance and the first triode, described the first resistance and the series connection of the second resistance, the first resistance one end is connected to the first link, and the other end is connected to the second resistance; The second resistance one end connects the first resistance, and the other end is connected to the 3rd link, and the base stage of the first triode is connected to the joining of the first resistance and the second resistance, and emitter is connected to the first link, and collector electrode is connected to an end of the 3rd resistance; The other end of the 3rd resistance is connected to the second link; Described MCU is connected to the joining of collector electrode and the 3rd resistance of the first triode.
Improved triggering according to claim 3 and the charging common contact circuit, it is characterized in that: described trigger element also comprises the second electric capacity, its two ends connect respectively the collector electrode of the first triode and joining and first link of the 3rd resistance.
5. the circuit of improved triggering according to claim 3 and charging common contact, is characterized in that: the 3rd electric capacity that ground connection is set between described MCU and the first link.
Improved triggering according to claim 3 and the charging common contact circuit, it is characterized in that: described reception signal element comprises receiver, the second triode, the 4th resistance and the 5th resistance;
Described receiver comprises the power supply utmost point, earth electrode and output stage, and wherein the power supply utmost point is connected with the first link, and output stage is connected with MCU, and earth electrode is connected with the collector electrode of the second triode;
The base stage of described the second triode by the 4th resistance with MCU, be connected, emitter is connected with the negative pole of rechargeable battery;
Described the 5th resistance two ends are connected to respectively the output stage of the first link and receiver.
Improved triggering according to claim 6 and the charging common contact circuit, it is characterized in that: described reception signal element also comprises the 4th electric capacity, its two ends connect respectively the power supply utmost point and the earth electrode of receiver.
Improved triggering according to claim 1 and the charging common contact circuit, it is characterized in that: described charhing unit also comprises the 3rd contact with the first contact and the second adjacent setting in contact, described the 3rd contact is connected to the first link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467379.8U CN203377648U (en) | 2013-08-01 | 2013-08-01 | Improved circuit sharing contact in triggering and charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467379.8U CN203377648U (en) | 2013-08-01 | 2013-08-01 | Improved circuit sharing contact in triggering and charging |
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| Publication Number | Publication Date |
|---|---|
| CN203377648U true CN203377648U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467379.8U Expired - Fee Related CN203377648U (en) | 2013-08-01 | 2013-08-01 | Improved circuit sharing contact in triggering and charging |
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| CN (1) | CN203377648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972872A (en) * | 2017-04-26 | 2017-07-21 | 歌尔科技有限公司 | A kind of the connection circuit and separate type call bracelet of bracelet of being conversed for separate type |
-
2013
- 2013-08-01 CN CN201320467379.8U patent/CN203377648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972872A (en) * | 2017-04-26 | 2017-07-21 | 歌尔科技有限公司 | A kind of the connection circuit and separate type call bracelet of bracelet of being conversed for separate type |
| CN106972872B (en) * | 2017-04-26 | 2022-06-14 | 歌尔科技有限公司 | A connecting circuit and disconnect-type conversation bracelet for disconnect-type conversation bracelet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |