CN204479733U - A kind of hand-held magnetic detector - Google Patents
A kind of hand-held magnetic detector Download PDFInfo
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- CN204479733U CN204479733U CN201420856333.XU CN201420856333U CN204479733U CN 204479733 U CN204479733 U CN 204479733U CN 201420856333 U CN201420856333 U CN 201420856333U CN 204479733 U CN204479733 U CN 204479733U
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Abstract
The utility model relates to a kind of hand-held magnetic detector, comprises hand-held housing and is arranged on the magnetic sensor circuit in this hand-held housing; Magnetic sensor circuit comprises microcontroller circuit, and the moving field testing circuit be connected with this microcontroller circuit, static magnetic field testing circuit, with/without magnetic field detection circuit, magnetic field intensity indicating circuit and power circuit; Hand-held housing bottom offers battery case, the middle and lower part of upper surface offers key opening, the middle and upper part of upper surface offers pilot lamp opening, the left side at top is embedded with magneto-dependent sensor, the centre at top is embedded with ferrite lines coil sensor, the right side at top is embedded with tongue tube sensor.A kind of hand-held magnetic detector that the utility model proposes, volume is little, and power consumption is little, is easy to carry, and can detect dynamic magnetic, and provides three kinds of magnetic measurement modes.
Description
Technical field
The utility model relates to magnetic field detection field, particularly a kind of hand-held magnetic detector.
Background technology
Tradition magnetic detector volume is comparatively large, and power consumption is also comparatively large, and the normal external power supply that adopts is powered; Carry inconvenience, dynamic magnetic can not be detected, and metering system is comparatively single, be unfavorable for the measurement of on-the-spot Magnetic testi.
Summary of the invention
The purpose of this utility model is to provide a kind of hand-held magnetic detector, by conjunction with existing software, to overcome existing defects in prior art; And this utility model structure is simple, easily realizes.
For achieving the above object, the technical solution of the utility model is: a kind of hand-held magnetic detector, is characterized in that, the magnetic sensor circuit comprising a hand-held housing and be arranged in this hand-held housing; Described magnetic sensor circuit comprises a microcontroller circuit, and the moving field testing circuit be connected with this microcontroller circuit respectively, static magnetic field testing circuit, with/without magnetic field detection circuit, magnetic field intensity indicating circuit and power circuit; Described hand-held housing bottom offers the battery case for depositing battery in described power circuit; The middle and lower part of described hand-held housing upper surface offers the key opening for being embedded switching key in described microcontroller circuit; The middle and upper part of described hand-held housing upper surface offers the pilot lamp opening for being embedded light emitting diode in described magnetic field intensity indicating circuit; The left side of described hand-held case top is embedded with the magneto-dependent sensor in described static magnetic field testing circuit; The centre of described hand-held case top is embedded with the ferrite lines coil sensor in described quiet moving field testing circuit; The right side of described hand-held case top is embedded with described with/without the tongue tube sensor in magnetic field detection circuit.
In the utility model one embodiment, described microcontroller circuit comprises a chips W T66F30; Described switching key is a single-pole double-throw switch (SPDT), and one end is connected with described microcontroller circuit, and the other end is connected with the output terminal of described static magnetic field testing circuit with the output terminal of described moving field testing circuit respectively.
In the utility model one embodiment, described moving field testing circuit comprises: the first to the 6th resistance, the first to the 5th electric capacity, first to fourth diode, the first to the second ironcore choke and chip LM358; And described first ironcore choke and described second ironcore choke form described ferrite lines coil sensor; The IN1-end of described chip LM358 is connected with one end of the first ironcore choke with one end of described first resistance respectively, and accesses one end of described second resistance; The OUT1 end of described chip LM358 is connected with the other end of described second resistance, and accesses one end of described first electric capacity; The IN1+ end of described chip LM358 is held with the GND of described chip LM358 respectively and is held with the IN2-of described chip LM358 the also ground connection that is connected; The other end of described first resistance is connected with the other end of described first ironcore choke and ground connection; The other end of described first electric capacity is connected with the negative electrode of described first diode, and accesses the anode of described second diode; The negative electrode of described second diode is connected with the negative electrode of described 3rd diode, and accesses one end of described 5th resistance; The anode of described 3rd diode is connected with the negative electrode of described 4th diode, and accesses one end of described second electric capacity; The anode of shown first diode is connected with the anode of described 4th diode, and ground connection; The other end of described second electric capacity is connected with one end of described 3rd resistance, and accesses the OUT2 end of described chip LM358; The other end of described 3rd resistance is connected with one end of described 4th resistance, and accesses the IN2+ end of described chip LM358; One end of described second ironcore choke is held with the IN2+ of described chip LM358 and is connected, and the other end is connected with the other end of described 4th resistance and ground connection; The VCC end of described chip LM358 is connected with the first output terminal of described power circuit, and through described 3rd capacity earth; The other end of described 5th resistance is connected with one end of described 5th electric capacity with one end of described 6th resistance, one end of described 4th electric capacity respectively, and is connected with described microcontroller circuit as the output terminal of described moving field testing circuit; The other end of described 6th resistance, the other end of described 4th electric capacity are connected with the other end of described 5th electric capacity and ground connection.
In the utility model one embodiment, the magneto-dependent sensor in described static magnetic field testing circuit comprises a chip S3405; The VCC end of this chip S3405 is connected with the second output terminal of described power circuit; The DATA of described chip S3405 holds the output terminal as described static magnetic field testing circuit to be connected with described microcontroller circuit; The GND of described chip S3405 holds ground connection.
In the utility model one embodiment, describedly comprise the 7th resistance with/without magnetic field detection circuit; Described one end of 7th resistance is connected with the second output terminal of described power circuit, and the other end is connected with described microcontroller circuit and described tongue tube sensor one interface; Described another interfacing ground of tongue tube sensor.
In the utility model one embodiment, described magnetic field intensity indicating circuit comprises the 8th to the 13 resistance and the first to the 6th light emitting diode; The anode of the anode of the anode of described first light emitting diode, the anode of described second light emitting diode, described 3rd light emitting diode, the anode of described 4th light emitting diode, described 5th light emitting diode and the anode of described 6th light emitting diode are corresponding to described 8th resistance, described 9th resistance, described tenth resistance, described 11 resistance, described 12 resistance and the described microcontroller circuit of described 13 resistance access respectively; The negative electrode of the negative electrode of described first light emitting diode, the negative electrode of described second light emitting diode, described 3rd light emitting diode, the negative electrode of described 4th light emitting diode, the negative electrode of described 5th light emitting diode and the equal ground connection of negative electrode of described 6th light emitting diode.
In the utility model one embodiment, described power circuit comprises a voltage chips, the 6th to the 8th electric capacity, the 14 to the 15 resistance, switch, hummer and triode; One end of described 6th electric capacity is connected with one end of described 7th electric capacity, and holds with the VIN of described voltage chips respectively and be connected with one end of described switch; The other end of described switch is connected with a DC power access end, and as the first output terminal of described power circuit; The VOUT end of described voltage chips is connected with one end of described 8th electric capacity, and as the second output terminal of described power circuit; Described one end of 14 resistance is held with the VOUT of described voltage chips and is connected, and the other end accesses one end of described hummer; The other end of described hummer is connected with the collector of described triode; The grounded emitter of described triode, base stage accesses described microcontroller circuit through described 15 resistance; The equal ground connection of the other end of the other end of described 6th electric capacity, the other end of described 7th electric capacity and described 8th electric capacity.
Compared to prior art, the utility model has following beneficial effect: a kind of hand-held magnetic detector that the utility model proposes, and volume is little, power consumption is little, adopts a joint 9V powered battery, is easy to carry, dynamic magnetic can be detected, and provide three kinds of magnetic measurement modes, enrich Magnetic testi mode.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of magnetic sensor circuit in the utility model.
Fig. 2 is the structural representation of hand-held housing in the utility model.
Fig. 3 is the circuit diagram of micro-middle controller circuit in magnetic sensor circuit in the utility model one embodiment.
Fig. 4 is the circuit diagram of moving field testing circuit in magnetic sensor circuit in the utility model one embodiment.
Fig. 5 is the circuit diagram of static magnetic field testing circuit in magnetic sensor circuit in the utility model one embodiment.
Fig. 6 is the circuit diagram with/without magnetic field detection circuit in magnetic sensor circuit in the utility model one embodiment.
Fig. 7 is the circuit diagram of magnetic field intensity indicating circuit in magnetic sensor circuit in the utility model one embodiment.
Fig. 8 is the circuit diagram of power circuit in magnetic sensor circuit in the utility model one embodiment.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is specifically described.
The utility model provides a kind of hand-held magnetic detector, it is characterized in that, as depicted in figs. 1 and 2, and the magnetic sensor circuit comprising a hand-held housing and be arranged in this hand-held housing; Described magnetic sensor circuit comprises a microcontroller circuit, and the moving field testing circuit be connected with this microcontroller circuit respectively, static magnetic field testing circuit, with/without magnetic field detection circuit, magnetic field intensity indicating circuit and power circuit; Described hand-held housing bottom offers the battery case for depositing battery 1 in described power circuit; The middle and lower part of described hand-held housing upper surface offers the key opening for being embedded switching key 2 in described microcontroller circuit; The middle and upper part of described hand-held housing upper surface offers the pilot lamp opening for being embedded light emitting diode 3 in described magnetic field intensity indicating circuit; The left side of described hand-held case top is embedded with the magneto-dependent sensor 4 in described static magnetic field testing circuit; The centre of described hand-held case top is embedded with the ferrite lines coil sensor 5 in described quiet moving field testing circuit; The right side of described hand-held case top is embedded with described with/without the tongue tube sensor 6 in magnetic field detection circuit.
In the present embodiment, as shown in Figure 3, described microcontroller circuit comprises a chips W T66F30; Described switching key 3 is a single-pole double-throw switch (SPDT) S1, and one end is connected with described microcontroller circuit, and the other end is connected with the output terminal of described static magnetic field testing circuit with the output terminal of described moving field testing circuit respectively.
In the present embodiment, as shown in Figure 4, described moving field testing circuit comprises: the first to the 6th resistance, the first to the 5th electric capacity, first to fourth diode, the first to the second ironcore choke and chip LM358; And described first ironcore choke and described second ironcore choke form described ferrite lines coil sensor; The IN1-end of described chip LM358 is connected with one end of the first ironcore choke L1 with one end of described first resistance R3 respectively, and accesses one end of described second resistance R13; The OUT1 end of described chip LM358 is connected with the other end of described second resistance R13, and accesses one end of described first electric capacity C7; The IN1+ end of described chip LM358 is held with the GND of described chip LM358 respectively and is held with the IN2-of described chip LM358 the also ground connection that is connected; The other end of described first resistance R3 is connected with the other end of described first ironcore choke L1 and ground connection; The other end of described first electric capacity C7 is connected with the negative electrode of described first diode D3, and accesses the anode of described second diode D1; The negative electrode of described second diode D1 is connected with the negative electrode of described 3rd diode D2, and accesses one end of described 5th resistance R4; The anode of described 3rd diode D2 is connected with the negative electrode of described 4th diode D4, and accesses one end of described second electric capacity C8; The anode of shown first diode D3 is connected with the anode of described 4th diode D4, and ground connection; The other end of described second electric capacity C8 is connected with one end of described 3rd resistance R14, and accesses the OUT2 end of described chip LM358; The other end of described 3rd resistance R14 is connected with one end of described 4th resistance R4, and accesses the IN2+ end of described chip LM358; One end of described second ironcore choke L2 is held with the IN2+ of described chip LM358 and is connected, and the other end is connected with the other end of described 4th resistance R4 and ground connection; The VCC end of described chip LM358 is connected with the first output terminal of described power circuit, and through described 3rd electric capacity C9 ground connection; The other end of described 5th resistance R6 is connected with one end of described 5th electric capacity C6 with one end of described 6th resistance R5, one end of described 4th electric capacity C2 respectively, and is connected with described microcontroller circuit as the output terminal of described moving field testing circuit; The other end of described 6th resistance R5, the other end of described 4th electric capacity C2 are connected with the other end of described 5th electric capacity C6 and ground connection.
In the present embodiment, as shown in Figure 5, the magneto-dependent sensor in described static magnetic field testing circuit comprise a chip S3405; The VCC end of this chip S3405 is connected with the second output terminal of described power circuit; The DATA of described chip S3405 holds the output terminal as described static magnetic field testing circuit to be connected with described microcontroller circuit; The GND of described chip S3405 holds ground connection.
In the present embodiment, as shown in Figure 6, describedly the 7th resistance R15 is comprised with/without magnetic field detection circuit; Described one end of 7th resistance R15 is connected with the second output terminal of described power circuit, and the other end is connected with described microcontroller circuit and described tongue tube sensor one interface; Described another interfacing ground of tongue tube sensor.Wherein J1 is two interfaces of described tongue tube sensor.
In the present embodiment, as shown in Figure 7, described magnetic field intensity indicating circuit comprises the 8th to the 13 resistance and the first to the 6th light emitting diode, the anode of described first light emitting diode D5, the anode of described second light emitting diode D6, the anode of described 3rd light emitting diode D7, the anode of described 4th light emitting diode D8, the anode of described 5th light emitting diode D9 and the anode of described 6th light emitting diode D10 are corresponding to described 8th resistance R7 respectively, described 9th resistance R8, described tenth resistance R9, described 11 resistance R10, described 12 resistance R11 and described 13 resistance R12 accesses described microcontroller circuit, the equal ground connection of negative electrode of the negative electrode of described first light emitting diode D5, the negative electrode of described second light emitting diode D6, the negative electrode of described 3rd light emitting diode D7, the negative electrode of described 4th light emitting diode D8, the negative electrode of described 5th light emitting diode D9 and described 6th light emitting diode D10.
In the present embodiment, as shown in Figure 8, described power circuit comprises a voltage chips, the 6th to the 8th electric capacity, the 14 to the 15 resistance, switch, hummer and triode; One end of described 6th electric capacity C1 is connected with one end of described 7th electric capacity C4, and holds with the VIN of described voltage chips respectively and be connected with one end of described K switch 1; The other end of described K switch 1 is connected with a DC power access end, and as the first output terminal of described power circuit, exports 9V voltage; The VOUT end of described voltage chips is connected with one end of described 8th electric capacity C5, and as the second output terminal of described power circuit, exports 5V voltage; Described one end of 14 resistance R2 is held with the VOUT of described voltage chips and is connected, and the other end accesses one end of described hummer BEEP1; The other end of described hummer BEEP1 is connected with the Q1 collector of described triode; The grounded emitter of described triode Q1, base stage accesses described microcontroller circuit through described 15 resistance R12; The equal ground connection of the other end of the other end of described 6th electric capacity C1, the other end of described 7th electric capacity C4 and described 8th electric capacity C5.
A kind of hand-held magnetic detector understood the utility model further to allow those skilled in the art and propose, the using method below in conjunction with this device is described.It should be noted that, describing in process involved existing software and using method at this, is not the object that the utility model is protected, and the utility model only protects the structure of this device with the annexation between, internal circuit and its internal circuit.
This hand-held magnetic detector has two kinds of working methods: the first is that three sensors are with the work of Non-follow control switching mode, magneto-dependent sensor detects magnetic field intensity, magnetic field intensity grows from weak to strong, and from low to high, hummer sound from slow to fast for the diode displaying on corresponding hand-held housing; Ferrite lines coil sensor is used for dynamic magnetic measurement, continuous mobile magnetic detector around magnetisable material, form cutting magnetic line movement, ferrite lines coil sensor will produce electromotive force, the power of cutting movement, from low to high, hummer sound from slow to fast for diode displaying on corresponding hand-held housing; Tongue tube sensor is used for or without the measurement in magnetic field, and near magnetic field, tongue tube sensor closes, and the most bottom sieve frame of the light emitting diode on corresponding hand-held housing is bright, and hummer rings a sound; The second be tongue tube sensor occlusion detection to have magnetic field exist after, the most bottom sieve frame of light emitting diode on corresponding hand-held housing is bright, hummer rings a sound, then automatically start magneto-dependent sensor and detect magnetic field intensity, magnetic field intensity grows from weak to strong, from low to high, hummer sound from slow to fast for diode displaying on corresponding hand-held housing.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (7)
1. a hand-held magnetic detector, is characterized in that, the magnetic sensor circuit comprising a hand-held housing and be arranged in this hand-held housing; Described magnetic sensor circuit comprises a microcontroller circuit, and the moving field testing circuit be connected with this microcontroller circuit respectively, static magnetic field testing circuit, with/without magnetic field detection circuit, magnetic field intensity indicating circuit and power circuit; Described hand-held housing bottom offers the battery case for depositing battery in described power circuit; The middle and lower part of described hand-held housing upper surface offers the key opening for being embedded switching key in described microcontroller circuit; The middle and upper part of described hand-held housing upper surface offers the pilot lamp opening for being embedded light emitting diode in described magnetic field intensity indicating circuit; The left side that described hand-held case top is moved is embedded with the magneto-dependent sensor in described static magnetic field testing circuit; The centre of described hand-held case top is embedded with the ferrite lines coil sensor in described moving field testing circuit; The right side of described hand-held case top is embedded with described with/without the tongue tube sensor in magnetic field detection circuit.
2. a kind of hand-held magnetic detector according to claim 1, is characterized in that; Described microcontroller circuit comprises a chips W T66F30; Described switching key is a single-pole double-throw switch (SPDT), and one end is connected with described microcontroller circuit, and the other end is connected with the output terminal of described static magnetic field testing circuit with the output terminal of described moving field testing circuit respectively.
3. a kind of hand-held magnetic detector according to claim 1, is characterized in that, described moving field testing circuit, comprising: the first to the 6th resistance, the first to the 5th electric capacity, first to fourth diode, the first to the second ironcore choke and chip LM358; And the first ironcore choke and described second ironcore choke form described ferrite lines coil sensor; The IN1-end of described chip LM358 is connected with one end of the first ironcore choke with one end of the first resistance respectively, and accesses one end of the second resistance; The OUT1 end of described chip LM358 is connected with the other end of described second resistance, and accesses one end of described first electric capacity; The IN1+ end of described chip LM358 is held with the GND of described chip LM358 respectively and is held with the IN2-of described chip LM358 the also ground connection that is connected; The other end of described first resistance is connected with the other end of described first ironcore choke and ground connection; The other end of described first electric capacity is connected with the negative electrode of the first diode, and accesses the anode of the second diode; The negative electrode of described second diode is connected with the negative electrode of the 3rd diode, and accesses one end of described 5th resistance; The anode of described 3rd diode is connected with the negative electrode of described 4th diode, and accesses one end of described second electric capacity; The anode of shown first diode is connected with the anode of described 4th diode, and ground connection; The other end of described second electric capacity is connected with one end of the 3rd resistance, and accesses the OUT2 end of described chip LM358; The other end of described 3rd resistance is connected with one end of the 4th resistance, and accesses the IN2+ end of described chip LM358; One end of described second ironcore choke is held with the IN2+ of described chip LM358 and is connected, and the other end is connected with the other end of described 4th resistance and ground connection; The VCC end of described chip LM358 is connected with the first output terminal of described power circuit, and through described 3rd capacity earth; The other end of described 5th resistance is connected with one end of described 5th electric capacity with one end of described 6th resistance, one end of described 4th electric capacity respectively, and is connected with described microcontroller circuit as the output terminal of described moving field testing circuit; The other end of described 6th resistance, the other end of described 4th electric capacity are connected with the other end of described 5th electric capacity and ground connection.
4. a kind of hand-held magnetic detector according to claim 1, is characterized in that: the magneto-dependent sensor in described static magnetic field testing circuit comprises a chip S3405; The VCC end of this chip S3405 is connected with the second output terminal of described power circuit; The DATA of described chip S3405 holds the output terminal as described static magnetic field testing circuit to be connected with described microcontroller circuit; The GND of described chip S3405 holds ground connection.
5. a kind of hand-held magnetic detector according to claim 1, is characterized in that: described with/without magnetic field detection circuit, comprises the 7th resistance; Described one end of 7th resistance is connected with the second output terminal of described power circuit, and the other end is connected with described microcontroller circuit and described tongue tube sensor one interface; Described tongue tube sensor one interfacing ground.
6. a kind of hand-held magnetic detector according to claim 1, is characterized in that: described magnetic field intensity indicating circuit comprises the 8th to the 13 resistance and the first to the 6th light emitting diode; The anode of the anode of the anode of the first light emitting diode, the anode of the second light emitting diode, the 3rd light emitting diode, the anode of the 4th light emitting diode, the 5th light emitting diode and the anode of the 6th light emitting diode are corresponding respectively accesses described microcontroller circuit through the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the 12 resistance and the 13 resistance; The negative electrode of the negative electrode of described first light emitting diode, the negative electrode of described second light emitting diode, described 3rd light emitting diode, the negative electrode of described 4th light emitting diode, the negative electrode of described 5th light emitting diode and the equal ground connection of negative electrode of described 6th light emitting diode.
7. a kind of hand-held magnetic detector according to claim 1, is characterized in that: described power circuit comprises a voltage chips, the 6th to the 8th electric capacity, the 14 to the 15 resistance, switch, hummer and triode; One end of 6th electric capacity is connected with one end of the 7th electric capacity, and holds with the VIN of described voltage chips respectively and be connected with one end of described switch; The other end of described switch is connected with a DC power access end, and as the first output terminal of described power circuit; The VOUT end of described voltage chips is connected with one end of described 8th electric capacity, and as the second output terminal of described power circuit; One end of 14 resistance is held with the VOUT of described voltage chips and is connected, and the other end accesses one end of described hummer; The other end of described hummer is connected with the collector of described triode; The grounded emitter of described triode, base stage accesses described microcontroller circuit through described 15 resistance; The equal ground connection of the other end of the other end of described 6th electric capacity, the other end of described 7th electric capacity and described 8th electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856333.XU CN204479733U (en) | 2014-12-30 | 2014-12-30 | A kind of hand-held magnetic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856333.XU CN204479733U (en) | 2014-12-30 | 2014-12-30 | A kind of hand-held magnetic detector |
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| Publication Number | Publication Date |
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| CN204479733U true CN204479733U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420856333.XU Expired - Fee Related CN204479733U (en) | 2014-12-30 | 2014-12-30 | A kind of hand-held magnetic detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158708A (en) * | 2015-08-19 | 2015-12-16 | 深圳市沃特沃德科技有限公司 | Mobile intelligent terminal capable of detecting dynamic magnetic field and detection method of mobile intelligent terminal |
| CN109188319A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of hand-held alternating current-direct current detection of magnetic field instrument |
-
2014
- 2014-12-30 CN CN201420856333.XU patent/CN204479733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158708A (en) * | 2015-08-19 | 2015-12-16 | 深圳市沃特沃德科技有限公司 | Mobile intelligent terminal capable of detecting dynamic magnetic field and detection method of mobile intelligent terminal |
| CN109188319A (en) * | 2018-10-18 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of hand-held alternating current-direct current detection of magnetic field instrument |
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Granted publication date: 20150715 Termination date: 20211230 |