CN208568902U - A kind of Medical Devices with over-voltage detection function - Google Patents
A kind of Medical Devices with over-voltage detection function Download PDFInfo
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- CN208568902U CN208568902U CN201821235073.9U CN201821235073U CN208568902U CN 208568902 U CN208568902 U CN 208568902U CN 201821235073 U CN201821235073 U CN 201821235073U CN 208568902 U CN208568902 U CN 208568902U
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- voltage
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- voltage detection
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- medical devices
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Abstract
The utility model discloses a kind of Medical Devices with over-voltage detection function, comprising: Switching Power Supply, voltage transformation module, voltage detection module, microprocessor, amplification circuit module and output module；The Switching Power Supply is connected with the voltage transformation module, the voltage transformation module includes first voltage output end and second voltage output end, the first voltage output end is connected with the power end of microprocessor, the second voltage output end is connected with the power end of amplification circuit module, the end PWM of the microprocessor is connected with the input terminal of amplification circuit module, the output end of the amplification circuit module is connected with the input terminal of output module, the input terminal of the voltage detection module is connected with the output end of output module, the output end of the voltage detection module is connected with the end AIN of microprocessor.The utility model enable the Medical Devices it is automatic, it is accurate, easily and fast detect its output voltage whether over-voltage.
Description
Technical field
The utility model relates to the over-voltages of Medical Devices output voltage to detect research field, in particular to a kind of band over-voltage inspection
The Medical Devices of brake.
Background technique
For the safety for improving Physical rehabilitation equipment, equipment generally has over-voltage detection function.In rehabilitation equipment before use,
In order to which detection device has the function of that over-voltage warns this, output intensity is usually transferred to maximum in the detection, when voltage reaches report
When alert voltage value, system alarm.It is existing output intensity is transferred to maximum mode to have the disadvantage that
1: by dimmer switches, just alarming when output intensity is transferred to maximum and arrival alarm voltage.Due to equipment
Various errors, will lead to equipment work normally when, it is also possible to reach alarm voltage, cause alarm frequently, make tester
It is abnormal to be mistakenly considered equipment work.For example, output voltage highest allows 25V when equipment works normally, keep output strong by adjusting
Degree is more than 25V, alarm；If voltage is just transferred to close to 25V by a patient, in the critical value of alarm voltage, then equipment
After sampling system collects this value, judgement is alarm condition, alarm.
2: when test overpressure alarm function, the load of bigger resistance value can also be replaced, be that output voltage is transferred to maximum, still
It will lead to workload increase in this way.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and insufficient provides a kind of with over-voltage detection function
Medical Devices.
The purpose of this utility model is realized by the following technical solution:
A kind of Medical Devices with over-voltage detection function, comprising: Switching Power Supply, voltage transformation module, voltage detection module,
Microprocessor, amplification circuit module and output module；The Switching Power Supply is connected with the voltage transformation module, and the voltage turns
Changing the mold block includes first voltage output end and second voltage output end, the power end of the first voltage output end and microprocessor
Connection, the second voltage output end are connected with the power end of amplification circuit module, the end PWM of the microprocessor and amplification electricity
The input terminal of road module connects, and the output end of the amplification circuit module is connected with the input terminal of output module, the voltage inspection
The input terminal for surveying module is connected with the output end of output module, the output end of the voltage detection module and the AIN of microprocessor
End connection.
Preferably, the Medical Devices with over-voltage detection function further include: warning device；The warning device and micro-
Processor connection.
Preferably, the warning device includes: loudspeaker and/or indicator light.
Preferably, the output module is output transformer, and the magnetic core of the output transformer is ferrite.
Preferably, the voltage detection module is sampling transformer, and the magnetic core of the sampling transformer is ferrite.
Preferably, the model TDA8932 or TDA2822M of the amplification circuit module.
Preferably, the voltage transformation module is the DC-DC power source of LM2576-ADJ type.
Preferably, the microprocessor is single-chip microcontroller.
Preferably, the single-chip microcontroller is 51 chips or ARM chip.
The course of work of the utility model:
After the Medical Devices with over-voltage detection function of this programme are connected Switching Power Supply, Switching Power Supply provides direct current 24V
Power supply to voltage transformation module.Voltage transformation module exports the power conversion of direct current 24V at 3.3V, and by first voltage
End output to microprocessor, microprocessor starts work；Simultaneously voltage transformation module by the power conversion of direct current 24V at+12V,
And exported by second voltage output end to amplification circuit module, amplification circuit module starts work.Pass through the micro- place of software control
Reason device enters test pattern, exports test voltage by the end PWM, reaches output module after amplification circuit module is amplified.Voltage
Microprocessor is input to by the end AIN after the amplified test voltage of detection module detection is defeated.Microprocessor judges test voltage
Whether target alarm voltage is reached.If so, microprocessor output overvoltage is instructed to warning device.
It should be noted that although the technical solution of the utility model is related to microprocessor, it is related to data processing, but
Technical solution integrally still falls within the protection object of utility model, because whether tests microprocessor voltage reaches alarm voltage,
This belongs to the prior art；The main creation point of the utility model is the entirety of Medical Devices not in data processing this part
Hardware configuration is built, and the connection relationship of voltage detection module and other assemblies is such as dexterously arranged, whole consideration medical treatment is set
Standby powerup issue (being realized by Switching Power Supply, the design of voltage transformation module), and provide the concrete model of various components, skill
Art scheme is integrally clear.
The utility model compared with prior art, is had the following advantages and beneficial effects:
The utility model includes amplification circuit module and voltage detection module, and amplification circuit module exports microprocessor
Test voltage is amplified to target alarm voltage, and voltage detection module collecting test voltage is simultaneously exported to microprocessor, micro- place
Reason device carries out judging whether to reach target alarm voltage, so that the Medical Devices be enable automatically, accurately, easily and fast to detect
Its output voltage whether over-voltage.
Detailed description of the invention
Fig. 1 is the functional block diagram of utility model device.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Referring to Fig. 1, a kind of Medical Devices with over-voltage detection function, comprising: Switching Power Supply, voltage transformation module, voltage
Detection module, microprocessor, amplification circuit module and output module；The Switching Power Supply is connected with the voltage transformation module,
The voltage transformation module includes first voltage output end and second voltage output end, the first voltage output end and micro process
The power end of device connects, and the second voltage output end is connected with the power end of amplification circuit module, the PWM of the microprocessor
End (pulse width modulated terminal) is connected with the input terminal of amplification circuit module, the output end and output mould of the amplification circuit module
The input terminal of block connects, and the input terminal of the voltage detection module is connected with the output end of output module, the voltage detecting mould
The output end of block and the AIN (analog input end) of microprocessor hold connection.
In the present embodiment, further includes: warning device；The warning device is connected with microprocessor.Further, described
Warning device includes: loudspeaker and/or indicator light.When microprocessor judges that test voltage reaches target alarm voltage.Then exported
Warning device is arrived in pressure instruction.Warning device instructs according to over-voltage and issues alarm signal.
In the present embodiment, the output module is output transformer, and the magnetic core of the output transformer is ferrite.
In the present embodiment, the voltage detection module is sampling transformer, and the magnetic core of the sampling transformer is ferrite.
In the present embodiment, the model TDA8932 or TDA2822M of the amplification circuit module.
In the present embodiment, the voltage transformation module is the DC-DC power source of LM2576-ADJ type.
In the present embodiment, the microprocessor is single-chip microcontroller.Further, the single-chip microcontroller is 51 chips or ARM
Chip does not do specific restriction herein.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (9)
1. a kind of Medical Devices with over-voltage detection function characterized by comprising Switching Power Supply, voltage transformation module, voltage
Detection module, microprocessor, amplification circuit module and output module；
The Switching Power Supply is connected with the voltage transformation module, and the voltage transformation module includes first voltage output end and
Two voltage output ends, the first voltage output end are connected with the power end of microprocessor, the second voltage output end and are put
The power end connection of big circuit module, the end PWM of the microprocessor are connected with the input terminal of amplification circuit module, the amplification
The output end of circuit module is connected with the input terminal of output module, the input terminal of the voltage detection module and output module it is defeated
Outlet connection, the output end of the voltage detection module are connected with the end AIN of microprocessor.
2. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that further include: warning device；
The warning device is connected with microprocessor.
3. the Medical Devices according to claim 2 with over-voltage detection function, which is characterized in that the warning device packet
It includes: loudspeaker and/or indicator light.
4. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that the output module is defeated
The magnetic core of transformer out, the output transformer is ferrite.
5. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that the voltage detection module
To sample transformer, the magnetic core of the sampling transformer is ferrite.
6. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that the amplification circuit module
Model TDA8932 or TDA2822M.
7. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that the voltage transformation module
For the DC-DC power source of LM2576-ADJ type.
8. the Medical Devices according to claim 1 with over-voltage detection function, which is characterized in that the microprocessor is single
Piece machine.
9. the Medical Devices according to claim 8 with over-voltage detection function, which is characterized in that the single-chip microcontroller is 51 cores
Piece or ARM chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235073.9U CN208568902U (en) | 2018-08-01 | 2018-08-01 | A kind of Medical Devices with over-voltage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235073.9U CN208568902U (en) | 2018-08-01 | 2018-08-01 | A kind of Medical Devices with over-voltage detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568902U true CN208568902U (en) | 2019-03-01 |
Family
ID=65449230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821235073.9U Expired - Fee Related CN208568902U (en) | 2018-08-01 | 2018-08-01 | A kind of Medical Devices with over-voltage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208568902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441648A (en) * | 2019-09-20 | 2019-11-12 | 杭州万高科技股份有限公司 | A kind of electric signal method for detecting abnormality, device, equipment |
-
2018
- 2018-08-01 CN CN201821235073.9U patent/CN208568902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441648A (en) * | 2019-09-20 | 2019-11-12 | 杭州万高科技股份有限公司 | A kind of electric signal method for detecting abnormality, device, equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |