CN201993453U - External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform - Google Patents
External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform Download PDFInfo
- Publication number
- CN201993453U CN201993453U CN2010206364916U CN201020636491U CN201993453U CN 201993453 U CN201993453 U CN 201993453U CN 2010206364916 U CN2010206364916 U CN 2010206364916U CN 201020636491 U CN201020636491 U CN 201020636491U CN 201993453 U CN201993453 U CN 201993453U
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- gprs
- external magnetic
- power supply
- detection 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 - Lifetime
Links
Images
Landscapes
- Measuring Magnetic Variables (AREA)
Abstract
The utility model discloses an external magnetic field change detection circuit of a GPRS (general packet radio service) vehicle platform. The circuit comprises a switching regulated power supply, an external induction interface, and a plurality of magnetic field detection modules connected between the switching regulated power supply and the external induction interface, wherein each magnetic field detection module comprises a magnetic field detection circuit used for detecting changes of an external magnetic field, and a working indication circuit; the magnetic field detection circuit is connected between the switching regulated power supply and the external induction interface; and the working indication circuit is connected with the switching regulated power supply. The utility model aims to provide the external magnetic field change detection circuit of the GPRS vehicle platform, which has a simple structure and can detect the changes of the external magnetic field.
Description
[technical field]
The utility model relates to a kind of external magnetic field change detecting circuit of GPRS ride.
[background technology]
Present GPRS onboard system, owing to do not have the external magnetic field change detecting circuit in the system, like this when the external magnetic field changes, the GPRS onboard system can not detect, influence the operate as normal of GPRS onboard system, for this reason, inventor spy works out the utility model to overcome above-mentioned technical matters.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, and a kind of external magnetic field change detecting circuit of GPRS ride is provided, and this circuit structure is simple, can detect the external magnetic field and change.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of external magnetic field change detecting circuit of GPRS ride, comprise switching power supply, outside induction interface, and be connected on a plurality of magnetic field detection modules between switching power supply and the outside induction interface, each magnetic field detection module includes and is used to detect magnetic field detection circuit and the working indicating that the external magnetic field changes, the magnetic field detection circuit is connected between switching power supply and the outside induction interface, and working indicating is connected with switching power supply.
Described magnetic field detection module is 2.Described magnetic field detection circuit comprises magnetic induction detecting head 1.
Described working indicating comprises driving triode and connected light emitting diode.
Described switching power supply is that model is the chip of LM2596.
The beneficial effects of the utility model are: when 1, the external magnetic field changes, the utility model can detect, and the direction and the time of output changes of magnetic field, and the time interval of output different parts changes of magnetic field, make the GPRS onboard system sense outside changes of magnetic field accurately, make it carry out trouble free service.2, light emitting diode of the present utility model can be indicated the changes of magnetic field of relevant position, is convenient to the people and observes.
[description of drawings]
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
[embodiment]
Referring to Fig. 1, a kind of external magnetic field change detecting circuit of GPRS ride, comprise switching power supply, outside induction interface, and be connected on a plurality of magnetic field detection modules between switching power supply and the outside induction interface, each magnetic field detection module includes and is used to detect magnetic field detection circuit and the working indicating that the external magnetic field changes, and the magnetic field detection circuit is connected between switching power supply and the outside induction interface, and working indicating is connected with switching power supply.Described magnetic field detection module is 2,2 magnetic field detection circuit can detect the changes of magnetic field of position separately, and the direction and the time of output changes of magnetic field, and the time interval of output different parts changes of magnetic field, make the GPRS onboard system sense outside changes of magnetic field accurately, make it carry out trouble free service.
Referring to Fig. 2, described magnetic field detection circuit comprises magnetic induction detecting head 1.Described working indicating comprises driving triode and connected light emitting diode.Described switching power supply is that model is the chip of LM2596.
Claims (5)
1. the external magnetic field change detecting circuit of a GPRS ride, it is characterized in that comprising switching power supply, outside induction interface, and be connected on a plurality of magnetic field detection modules between switching power supply and the outside induction interface, each magnetic field detection module includes and is used to detect magnetic field detection circuit and the working indicating that the external magnetic field changes, the magnetic field detection circuit is connected between switching power supply and the outside induction interface, and working indicating is connected with switching power supply.
2. the external magnetic field change detecting circuit of a kind of GPRS ride according to claim 1 is characterized in that described magnetic field detection module is 2.
3. the external magnetic field change detecting circuit of a kind of GPRS ride according to claim 1 is characterized in that described magnetic field detection circuit comprises magnetic induction detecting head (1).
4. the external magnetic field change detecting circuit of a kind of GPRS ride according to claim 1 is characterized in that described working indicating comprises driving triode and connected light emitting diode.
5. the external magnetic field change detecting circuit of a kind of GPRS ride according to claim 1 is characterized in that described switching power supply is that model is the chip of LM2596.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206364916U CN201993453U (en) | 2010-11-20 | 2010-11-20 | External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206364916U CN201993453U (en) | 2010-11-20 | 2010-11-20 | External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993453U true CN201993453U (en) | 2011-09-28 |
Family
ID=44669939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206364916U Expired - Lifetime CN201993453U (en) | 2010-11-20 | 2010-11-20 | External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993453U (en) |
-
2010
- 2010-11-20 CN CN2010206364916U patent/CN201993453U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204288466U (en) | A kind of tool box | |
| CN201741288U (en) | Traffic signal lamp detector | |
| CN106230376A (en) | A kind of Power Line Inspection System based on the Big Dipper | |
| CN202083729U (en) | Automatic range switching device | |
| CN201993453U (en) | External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform | |
| CN202204511U (en) | Intelligent communication dual-receiving demarcation device | |
| CN201489109U (en) | Device for receiving locomotive loaded GPS information | |
| CN204241617U (en) | Energy-saving transmission line malfunction monitoring system | |
| CN209079921U (en) | A kind of business of rail yard vehicle is from tube apparatus engaged condition instruction device | |
| CN203688018U (en) | Electric power carrier communication photoelectric direct reading meter | |
| CN203443707U (en) | Mining drilling stress monitoring device | |
| CN102254436A (en) | Wireless vehicle recognizer and vehicle recognizing method | |
| CN202903188U (en) | Remote navigation channel detecting system | |
| CN202548117U (en) | Carbon dioxide sensor device based on zigbee technology | |
| CN202584404U (en) | Wireless water meter acquisition and control device | |
| CN202677597U (en) | Underground substation environment monitoring system based on Internet of Things | |
| CN202533555U (en) | Rapid detection apparatus of bluetooth chip | |
| CN103810847A (en) | Traffic condition indication system for vehicles | |
| CN203204806U (en) | Central signal alarm device | |
| CN202372844U (en) | Remote input and output module of train control and monitoring system | |
| CN203067034U (en) | Wireless monitoring device for coal mine gas | |
| CN202956607U (en) | Single-chip microcomputer measurement and control system for industrial control | |
| CN203192363U (en) | LED detection device having wireless control system | |
| CN103852810A (en) | Weather real-time detection device | |
| CN203225011U (en) | Solar type radar speed measurement snapshot machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 528400 No. 46 West Jiangling Road, Torch Development Zone, Guangdong, Zhongshan Patentee after: The long precious Information technology share company limited in Guangdong Address before: Three Zhongshan 528400 Road, Guangdong, Zhongshan Patentee before: Guangdong Changbao Information Technology Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: External magnetic field change detection circuit of GPRS (general packet radio service) vehicle platform Effective date of registration: 20170802 Granted publication date: 20110928 Pledgee: China Everbright Bank Zhongshan branch Pledgor: The long precious Information technology share company limited in Guangdong Registration number: 2017440020022 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180910 Granted publication date: 20110928 Pledgee: China Everbright Bank Zhongshan branch Pledgor: The long precious Information technology share company limited in Guangdong Registration number: 2017440020022 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |