CN206209083U - A kind of magnet experimental rig in pacemaker circuits automatic detection - Google Patents
A kind of magnet experimental rig in pacemaker circuits automatic detection Download PDFInfo
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- CN206209083U CN206209083U CN201621329894.XU CN201621329894U CN206209083U CN 206209083 U CN206209083 U CN 206209083U CN 201621329894 U CN201621329894 U CN 201621329894U CN 206209083 U CN206209083 U CN 206209083U
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- power supply
- electromagnet
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Abstract
The utility model discloses the magnet experimental rig in a kind of pacemaker circuits automatic detection, including voltage control circuit, current control circuit, electromagnet, MCU chip and the first power supply for providing electric energy, wherein, first power supply is connected through voltage control circuit and current control circuit with the coil on electromagnet successively, the output end of MCU chip is connected with the control end of voltage control circuit, electromagnet just to pacemaker to be detected, the drawbacks of the device effectively solves manual detection and brings.
Description
Technical field
The utility model belongs to medical technical field, is related to the magnet in a kind of pacemaker circuits automatic detection to test
Device.
Background technology
Magnet frequency used as pacemaker in operating mode detection one of basic means, for pacemaker be most basic and must
The function of palpus.In pacemaker production process, the Magnetic susceptibility of magnet frequency needs detection high to ensure magnetic field magnetic field intensity
When 2mT, can close the magnet contactor inside pacemaker, perform magnet frequency.Existing detection means is manual type, is made
Verified in pacemaker specified distance with hand-held special permanent magnet.Magnitude of field intensity between magnet and pacemaker away from
From very sensitive, manual detection error is larger, and speed is slow, and human cost is expensive, and easily error, and test repeatability is poor.If
Magnet and pacemaker hypotelorism, permanent destruction can be produced when magnetic field intensity is more than 10mT to pacemaker, therefore to pace-making
For device, also there is certain risk in hand-held measuring method.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art, there is provided a kind of pacemaker circuits are examined automatically
Magnet experimental rig in survey, the drawbacks of the device effectively solves manual detection and brings, the security of pacemaker is higher, and
Detection efficiency is high.
To reach above-mentioned purpose, the magnet experimental rig in pacemaker circuits automatic detection described in the utility model includes
Voltage control circuit, current control circuit, electromagnet, MCU chip and the first power supply for providing electric energy, wherein, the first electricity
Source is connected through voltage control circuit and current control circuit with the coil on electromagnet successively, output end and the electricity of MCU chip
The control end of voltage-controlled circuit processed is connected, and electromagnet is just to the tongue tube in pacemaker to be detected.
Spacing between electromagnet and pacemaker to be detected is 4cm.
The voltage control circuit includes AD5308 chips, first resistor, second resistance, 3rd resistor, electric capacity, the second electricity
Source and the 3rd power supply；
The P4.7/TBCLK pins of MCU chip, P4.6/TB6 pins and P4.5/TB5 pins are respectively with the one of 3rd resistor
End, one end of one end of first resistor and second resistance are connected, the other end of first resistor, the other end of second resistance and the
The other end of three resistance SCLK pins respectively with AD5308 chips,Pin and DIN pins are connected, and the one of electric capacity
End, the VREF1 pins of AD5308 chips and VREF2 pins are connected with the 3rd power supply, the VDD pins of AD5308 chips and the
Two power supplys are connected, and the GND pin of AD5308 chips and the other end of electric capacity are grounded, the VOUTE pins of AD5308 chips with
Current control circuit is connected.
The current control circuit includes the 4th power supply, the first triode, the second triode, the 4th resistance and the 5th electricity
Resistance；
The VOUTE pins of AD5308 chips are connected with the base stage of the base stage of the first triode and the second triode, and first
, through the 4th resistance eutral grounding, the emitter stage of the second triode is through the 5th resistance eutral grounding, the 4th power supply and electromagnetism for the emitter stage of triode
One end of iron coil is connected, the collection of the colelctor electrode and the second triode of the other end of electromagnet coil and the first triode
Electrode is connected.
The utility model has the advantages that：
Magnet experimental rig in pacemaker circuits automatic detection described in the utility model in concrete operations, using from
The mode of dynamic detection solves manual detection the drawbacks of bring, specifically, passing through MCU chip control voltage control circuit output voltage
Size, by voltage control circuit export voltage control electric current control circuit output size of current so that electromagnet
More accurate magnetic field intensity is produced, detection efficiency is high, and saves manpower, and safety coefficient is high, take precautions against pacemaker and receive high-intensity magnetic field
The risk of influence, reduces mistake, improves the quality of test.
Brief description of the drawings
Fig. 1 is the structural representation of MCU chip and peripheral circuit in the utility model；
Fig. 2 is the structural representation of voltage control circuit in the utility model；
Fig. 3 is the structural representation of the utility model current control circuit.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, the magnet experimental rig in pacemaker circuits automatic detection described in the utility model includes voltage control
Circuit processed, current control circuit, electromagnet, MCU chip and the first power supply for providing electric energy, wherein, the first power supply is successively
It is connected with the coil on electromagnet through voltage control circuit and current control circuit, output end and the voltage of MCU chip are controlled
The control end of circuit is connected, and electromagnet is just to the tongue tube in pacemaker to be detected.
With reference to Fig. 2, the spacing between electromagnet and pacemaker to be detected is 4cm；Voltage control circuit includes AD5308 cores
Piece, first resistor R1, second resistance R2,3rd resistor R3, electric capacity C1, second source and the 3rd power supply；The P4.7/ of MCU chip
TBCLK pins, P4.6/TB6 pins and P4.5/TB5 pins one end respectively with 3rd resistor R3, one end of first resistor R1 and
One end of second resistance R2 is connected, and the other end of first resistor R1, the other end of second resistance R2 and 3rd resistor R3's is another
One end SCLK pins respectively with AD5308 chips,Pin and DIN pins are connected, one end of electric capacity C1, AD5308 cores
The VREF1 pins and VREF2 pins of piece are connected with the 3rd power supply, and the VDD pins of AD5308 chips are connected with second source
Connect, the GND pin of AD5308 chips and the other end of electric capacity C1 are grounded, the VOUTE pins and current control of AD5308 chips
Circuit is connected.
With reference to Fig. 3, the current control circuit includes the 4th power supply, the first triode U1, the second triode U2, the 4th electricity
Resistance R4 and the 5th resistance R5；The base of the base stage and the second triode U2 of the VOUTE pins of AD5308 chips and the first triode U1
Pole is connected, and the emitter stage of the first triode U1 is grounded through the 4th resistance R4, and the emitter stage of the second triode U2 is through the 5th resistance
R5 is grounded, and the 4th power supply is connected with one end of electromagnet coil, the other end of electromagnet coil and the first triode U1
Colelctor electrode and the colelctor electrode of the second triode U2 be connected.
The voltage swing of voltage control circuit output is controlled by MCU chip；Current control circuit is by the one or three pole
Pipe U1 and the second triode U2 are formed in parallel, and the voltage swing exported according to voltage control circuit adjusts the first triode U1 and the
The size of current of two triode U2 colelctor electrodes, makes current control circuit export correspondingly sized electric current to electromagnet, and then make electricity
Magnet can produce correspondingly sized magnetic field intensity.
Claims (4)
1. the magnet experimental rig in a kind of pacemaker circuits automatic detection, it is characterised in that including voltage control circuit, electric current
Control circuit, electromagnet, MCU chip and the first power supply for providing electric energy, wherein, the first power supply controls electricity through voltage successively
Road and current control circuit are connected with the coil on electromagnet, the output end of MCU chip and the control end of voltage control circuit
It is connected, electromagnet is just to the tongue tube in pacemaker to be detected.
2. the magnet experimental rig in pacemaker circuits automatic detection according to claim 1, it is characterised in that electromagnet
It is 4cm with the spacing between pacemaker to be detected.
3. the magnet experimental rig in pacemaker circuits automatic detection according to claim 1, it is characterised in that the electricity
Voltage-controlled circuit processed includes AD5308 chips, first resistor (R1), second resistance (R2), 3rd resistor (R3), electric capacity (C1), second
Power supply and the 3rd power supply；
The P4.7/TBCLK pins of MCU chip, P4.6/TB6 pins and P4.5/TB5 pins are respectively with the one of 3rd resistor (R3)
One end of end, one end of first resistor (R1) and second resistance (R2) is connected, the other end, the second resistance of first resistor (R1)
The SCLK pins respectively with AD5308 chips of the other end and the other end of 3rd resistor (R3) (R2),Pin and DIN draw
Pin is connected, and one end of electric capacity (C1), the VREF1 pins of AD5308 chips and VREF2 pins are connected with the 3rd power supply,
The VDD pins of AD5308 chips are connected with second source, and the other end of the GND pin and electric capacity (C1) of AD5308 chips connects
Ground, the VOUTE pins of AD5308 chips are connected with current control circuit.
4. the magnet experimental rig in pacemaker circuits automatic detection according to claim 3, it is characterised in that the electricity
Flow control circuit includes the 4th power supply, the first triode (U1), the second triode (U2), the 4th resistance (R4) and the 5th resistance
(R5)；
The VOUTE pins of AD5308 chips are connected with the base stage of the first triode (U1) and the base stage of the second triode (U2),
The emitter stage of the first triode (U1) is grounded through the 4th resistance (R4), and the emitter stage of the second triode (U2) is through the 5th resistance (R5)
Ground connection, the 4th power supply is connected with one end of electromagnet coil, the other end of electromagnet coil and the first triode (U1)
Colelctor electrode and the colelctor electrode of the second triode (U2) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329894.XU CN206209083U (en) | 2016-12-06 | 2016-12-06 | A kind of magnet experimental rig in pacemaker circuits automatic detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329894.XU CN206209083U (en) | 2016-12-06 | 2016-12-06 | A kind of magnet experimental rig in pacemaker circuits automatic detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209083U true CN206209083U (en) | 2017-05-31 |
Family
ID=58754474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329894.XU Active CN206209083U (en) | 2016-12-06 | 2016-12-06 | A kind of magnet experimental rig in pacemaker circuits automatic detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209083U (en) |
-
2016
- 2016-12-06 CN CN201621329894.XU patent/CN206209083U/en active Active
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