CN201464589U - Intelligent polarity recognition device - Google Patents
Intelligent polarity recognition device Download PDFInfo
- Publication number
- CN201464589U CN201464589U CN200920073986XU CN200920073986U CN201464589U CN 201464589 U CN201464589 U CN 201464589U CN 200920073986X U CN200920073986X U CN 200920073986XU CN 200920073986 U CN200920073986 U CN 200920073986U CN 201464589 U CN201464589 U CN 201464589U
- Authority
- CN
- China
- Prior art keywords
- module
- recognition device
- polarity
- intelligent recognition
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
An intelligent polarity recognition device comprises an electromagnetic module and a control circuit which are electronically connected. The electromagnetic module comprises a magnetic inductor, a moving contact coaxially arranged with the magnetic inductor and a static contact. The control circuit comprises a reversed-polarity alarming protection module and a straight-polarity conduction module, wherein the reversed-polarity alarming protection module comprises an alarming module and a protection module that are parallelly connected, the protection module comprises a second diode and an optoelectronic coupler which are serially connected, the straight-polarity conduction module comprises an optoelectronic coupler conduction module and an optoelectronic coupler indication module which are electronically connected. The intelligent polarity recognition device adopts magnetic control to ensure automatic recognition of the connection state of a clip all the time regardless of whether the clip is correctly connected with the positive and negative poles of an external power supply or not, so as to ensure normal charging and achieve the purpose of protecting the power supply and electric appliances.
Description
Technical field
The utility model relates to a kind of polarity intelligent recognition device, relates in particular to a kind of polarity intelligent recognition device that is applicable to the car emergency power supply.
Background technology
On the general emergency power pack; redness is anodal; black is negative pole; when the two poles of the earth connect inverse time; output current is very big, causes short circuit, can make the electrical equipment of power supply and use undermined; and mostly protective device in the past is by the reversal connection warning reminding and manually control the short circuit that causes after high-current switch avoids positive and negative electrode to connect instead, thereby reaches the purpose of protection power supply and electrical equipment.
The utility model content
A kind of polarity intelligent recognition device that the utility model provides utilizes magnetic force control, guarantees no matter whether clip correctly connect the both positive and negative polarity of external power source, can discern its connection status automatically, guarantees the work that charges normal.
In order to achieve the above object, the utility model provides a kind of polarity intelligent recognition device, comprises electromagnetic module and control circuit that circuit connects, also comprises an internal electric source, is the control circuit power supply;
Described electromagnetic module comprises:
The magnetic force inductance, it comprises to advance sells, and the lead terminal on the described magnetic force inductance connects control circuit respectively;
The motion contact, itself and the coaxial setting of described magnetic force inductance are moved up and down by the spacing control of the propelling pin on the magnetic force inductance;
Static contact, it is fixed on the electromagnetic module, and a side contact connects the positive terminal clip, and "+" of opposite side contact connection internal electric source is extreme;
Described control circuit circuit connects described internal electric source, and this control circuit also connects positive terminal clip and negative pole end clip respectively, and this control circuit comprises the reversal connection alarm and protection module of circuit connection and just connecing conduction module;
Described reversal connection alarm and protection module comprises alarm module and protection module in parallel;
Described alarm module comprises sounding module and light emitting module, and described sounding module and light emitting module are in parallel or series connection;
Described sounding module comprises first diode and the hummer of series connection;
Described light emitting module is first light emitting diode and the current-limiting resistance of series connection;
Described protection module comprises second diode and the photoelectrical coupler of series connection, and the direction of this second diode is opposite with the direction of described first diode and first light emitting diode;
The described conduction module that just connecing comprises conduction module and the indicating module that circuit connects described photoelectrical coupler U1;
Described conduction module is a triode, and its base stage connects the output terminal of described photoelectrical coupler, and collector connects described magnetic force inductance, grounded emitter;
Described indicating module is second light emitting diode;
A kind of polarity intelligent recognition device that the utility model provides utilizes magnetic force control, guarantees no matter whether clip correctly connect the both positive and negative polarity of external power source, can discern its connection status automatically, guarantees to charge normal work, reaches the purpose of protection power supply and electrical equipment.
Description of drawings
Fig. 1 is the structural representation of a kind of polarity intelligent recognition device of providing of the utility model;
Fig. 2 is the structural representation of the electromagnetic module of a kind of polarity intelligent recognition device of providing of the utility model;
Fig. 3 is the structural representation of the control circuit of a kind of polarity intelligent recognition device of providing of the utility model.
Embodiment
Following according to Fig. 1～Fig. 3, specify better embodiment of the present utility model:
Be illustrated in figure 1 as a kind of polarity intelligent recognition device, comprise electromagnetic module 1 and control circuit 2 that circuit connects, also comprise an internal electric source V, be control circuit 2 power supplies;
As shown in Figure 2, described electromagnetic module 1 comprises:
A motion contact 102, itself and described magnetic force inductance 101 coaxial settings are moved up and down by the spacing control of the propelling pin 1011 on the magnetic force inductance 101;
Two static contacts 103, it is fixed on the electromagnetic module 1, and a side contact connects positive terminal clip 11, and "+" of opposite side contact connection internal electric source is extreme;
As shown in Figure 3, described control circuit 2 circuit connect described internal electric source V, and this control circuit 2 also connects positive terminal clip 11 and negative pole end clip 12 respectively, and this control circuit 2 comprises the reversal connection alarm and protection module of circuit connection and just connecing conduction module;
Described reversal connection alarm and protection module comprises alarm module and protection module in parallel;
Described alarm module comprises sounding module and light emitting module in parallel;
Described sounding module comprises the first diode D1 and the hummer 201 of series connection;
Described light emitting module is first LED 1, and a current-limiting resistance R1 also connects in this light emitting module;
Described protection module comprises the second diode D2 and the photoelectrical coupler U1 of series connection, and the direction of this second diode D2 is opposite with the direction of the described first diode D1 and first LED 1;
The described conduction module that just connecing comprises conduction module and the indicating module that circuit connects described photoelectrical coupler U1;
Described conduction module is triode Q1, and its base stage connects the output terminal of described photoelectrical coupler U1, and collector connects described magnetic force inductance 101, grounded emitter, the base stage current-limiting resistance R2 that connects;
Described indicating module is second LED 2, and a current-limiting resistance R3 also connects in this indicating module;
When positive terminal clip 11 extremely links to each other with "-" of external power source, when negative pole end clip 12 extremely links to each other with "+" of external power source (connecing inverse time), the first diode D1 and 1 conducting of first LED because a forward voltage is arranged, first LED 1 sends ruddiness, hummer 201 sounding alarms, and this moment, the second diode D2 and photoelectrical coupler U1 then because apply thereon be reverse voltage, so not conducting, triode Q1 does not work, magnetic force inductance 101 can not produce magnetic field, dynamic contact K1 can't adhesive, advance pin 1011 to push motion contact 102 to static contact 103 so can't make, cause the possibility of short circuit after so just can avoiding misoperation to connect instead, thereby reach the purpose of protecting power supply and electrical equipment;
When positive terminal clip 11 extremely links to each other with "+" of external power source, when negative pole end clip 12 extremely links to each other with "-" of external power source (correctly being connected), the first diode D1 and the 1 not conducting of first LED, hummer is not worked, the second diode D2 and photoelectrical coupler U1 conducting, 2 conductings of second LED, send green glow, the indication operate as normal, triode Q1 conducting, magnetic force inductance 101 produces magnetic field, dynamic contact K1 adhesive advances pin 1011 to push motion contact 102 to static contact 103, makes this device and external power source can normally be connected to form a closed-loop path and works.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (10)
1. a polarity intelligent recognition device is characterized in that, comprises electromagnetic module (1) and control circuit (2) that circuit connects, also comprises an internal electric source (V);
Described electromagnetic module (1) comprises:
Magnetic force inductance (101);
Motion contact (102), itself and the coaxial setting of described magnetic force inductance (101);
Static contact (103);
Described control circuit (2) comprises the reversal connection alarm and protection module of circuit connection and is just connecing conduction module;
Described reversal connection alarm and protection module comprises alarm module and protection module in parallel;
Described protection module comprises second diode (D2) and the photoelectrical coupler (U1) of series connection, and the direction of this second diode (D2) is opposite with the direction of described first diode (D1) and first light emitting diode (LED1);
The described conduction module that just connecing comprises conduction module and the indicating module that circuit connects described photoelectrical coupler (U1).
2. polarity intelligent recognition device as claimed in claim 1, it is characterized in that, described magnetic force inductance (101) comprises to advance sells (1011), and its controlled motion contact (102) moves up and down, and the lead terminal (1012) on the described magnetic force inductance connects control circuit (2) respectively.
3. polarity intelligent recognition device as claimed in claim 1 is characterized in that, described static contact (103) is fixed on the electromagnetic module (1), and a side contact connects positive terminal clip (11), and "+" of opposite side contact connection internal electric source V is extreme.
4. polarity intelligent recognition device as claimed in claim 1 is characterized in that, described control circuit (2) circuit connects described internal electric source (V), and this control circuit (2) also connects positive terminal clip (11) and negative pole end clip (12) respectively.
5. polarity intelligent recognition device as claimed in claim 1 is characterized in that described alarm module comprises sounding module and light emitting module, and described sounding module and light emitting module are in parallel or series connection.
6. polarity intelligent recognition device as claimed in claim 5 is characterized in that, described sounding module comprises first diode (D1) and the hummer (201) of series connection.
7. polarity intelligent recognition device as claimed in claim 5 is characterized in that, described light emitting module is first light emitting diode (LED1), the current-limiting resistance (R1) of also connecting in this light emitting module.
8. polarity intelligent recognition device as claimed in claim 1, it is characterized in that, described conduction module is triode (Q1), its base stage connects the output terminal of described photoelectrical coupler (U1), collector connects described magnetic force inductance (101), grounded emitter, the base stage current-limiting resistance (R2) of also connecting.
9. polarity intelligent recognition device as claimed in claim 1 is characterized in that, described indicating module is second light emitting diode (LED2), the current-limiting resistance (R3) of also connecting in this indicating module.
10. polarity intelligent recognition device as claimed in claim 1 is characterized in that, described control circuit (2) also comprises an internal electric source (V).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920073986XU CN201464589U (en) | 2009-06-02 | 2009-06-02 | Intelligent polarity recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920073986XU CN201464589U (en) | 2009-06-02 | 2009-06-02 | Intelligent polarity recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464589U true CN201464589U (en) | 2010-05-12 |
Family
ID=42391938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920073986XU Expired - Fee Related CN201464589U (en) | 2009-06-02 | 2009-06-02 | Intelligent polarity recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201464589U (en) |
-
2009
- 2009-06-02 CN CN200920073986XU patent/CN201464589U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101592697B (en) | Polarity intelligent recognition device | |
| CN104218540B (en) | Electronic cigarette battery reverse protection device and method | |
| CN102904329B (en) | Electric power management circuit | |
| CN102360051A (en) | Multi-core cable detector | |
| CN201048290Y (en) | Charger control circuit with polarity recognition and short circuit protection | |
| CN202455095U (en) | Charging indicating lamp line of vehicle-mounted charger | |
| CN100435445C (en) | Automatic electrode | |
| CN201226449Y (en) | Voltage-boosting type charge control circuit and electronic device | |
| CN201464589U (en) | Intelligent polarity recognition device | |
| CN203826921U (en) | Charger short circuit protection device | |
| CN209881386U (en) | Protection circuit for electrification of shell | |
| CN107706995A (en) | A kind of charging device with battery reversal connection protection function | |
| CN101572431B (en) | Continuous control-based constant-current restricted-voltage control system | |
| CN103197240A (en) | Switch detector | |
| CN203086192U (en) | Overvoltage/undervoltage protective device for storage battery pack of transformer station | |
| CN203479953U (en) | Alarming device for open circuit of current transformer | |
| CN203218856U (en) | Direct-current power supply output short-circuit protection circuit | |
| CN201781291U (en) | Direct-current screen storage battery pack current sampling device with shunt replacing Hall element | |
| CN202059164U (en) | Protective circuit for inverse connection and short circuit of charger | |
| CN2912070Y (en) | Automatic polar | |
| CN212462763U (en) | Grounding detection and protection device | |
| CN212332422U (en) | Thing networking charging station with relay adhesion detects function | |
| CN201263095Y (en) | Multipath combined charger | |
| CN204067750U (en) | A kind of leakage protecting plug | |
| CN203658518U (en) | Intelligent cell polarity reversal connection resistance alarm device |
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: 20100512 Termination date: 20110602 |