CN206258535U - A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode - Google Patents
A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode Download PDFInfo
- Publication number
- CN206258535U CN206258535U CN201621135940.2U CN201621135940U CN206258535U CN 206258535 U CN206258535 U CN 206258535U CN 201621135940 U CN201621135940 U CN 201621135940U CN 206258535 U CN206258535 U CN 206258535U
- Authority
- CN
- China
- Prior art keywords
- module
- short
- circuit
- output
- electro
- 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
Landscapes
- Electrotherapy Devices (AREA)
Abstract
The utility model discloses a kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode, the electro-therapeutic apparatus includes the control module, signal modulation module, intensity adjustment module, output module and the output electrode that are sequentially connected, also include open circuit detection unit and short detection unit, prime and rear class voltage ratio are driven compared with to recognize that output electrode is opened a way and short-circuit condition by output module.There is the utility model detection electro-therapeutic apparatus to open short-circuit function, can be automatic to terminate electro-therapeutic apparatus output when short circuit is detected out, with the infringement for avoiding bringing treatment user and electro-therapeutic apparatus in itself.
Description
Technical field
The utility model is related to field of medical technology, and in particular to a kind of electricity that function of short circuit detection is opened with output electrode
Treat instrument.
Background technology
Conventionally, electro-therapeutic apparatus typically has one or more output channel, and each output channel is by positive and negative two electrode groups
Into electrode being attached to the expectation part of user, and the impulse wave of setting is applied into electrode so as to be transmitted to user during treatment
Treatment pulse.When applying impulse wave, for the impulse wave step saltus step formula for avoiding high voltage or stronger energy acts on user, make
User produces electric-shock feeling with electrode contact part, and electro-therapeutic apparatus is typically with output blocking function, i.e., when in use, its output intensity
Zero-bit ability starting impulse output is must be placed in, can progressively be adjusted to the phase by zero-bit with output intensity after ensureing starting impulse output
Prestige value, enables user to make the pulse-wave strength that use musculature progressively adapts to change.
Above-described output blocking function, user is effectively prevent when treatment is started with electrode contact part because of pulse
Electric-shock feeling caused by wave energy step saltus step, and understood through clinical investigation, user's its output in electro-therapeutic apparatus therapeutic process is received
Electrode occurs situation about coming off often, and now, the method typically taken is that the output electrode that will be come off is directly attached to original position
Put, but after output electrode ablative treatment position causes output channel both positive and negative polarity to disconnect, its output channel still keeps original to set
Fixed voltage or energy, it is however generally that voltage or energy now is stronger, and the output electrode that will be in the state is directly multiple
As far as original position, it is clear that user can be caused electric-shock feeling occur with electrode contact position.
Secondly, its output electrode often occurs short circuit situation to electro-therapeutic apparatus in the course of the work, and product is not in the market
Prevention or safeguard measure are taken output electrode short circuit, it is well known that short circuit can cause output par, c circuital current to increase, so that
Temperature is raised and even causes to damage or occur not expected element function reduction to circuit element, and then influences the safety of product
Property, stability and reliability, may finally cause not expected injury to user in use.
It can thus be seen that the electro-therapeutic apparatus of current existing market is not designed also and opens function of short circuit detection with output electrode,
In case causing user to produce electric-shock feeling and not expected injury.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electricity that function of short circuit detection is opened with output electrode
Instrument is treated, the method that electro-therapeutic apparatus output electrode opens short circuit is not exclusively used in also to solve prior art, electricity is produced to avoid result in user
Hit sense or not expected injury.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
It is a kind of that the electro-therapeutic apparatus of function of short circuit detection is driven with output electrode, including control module, the signal tune being sequentially connected
Molding block, intensity adjustment module, output module and output electrode, it is characterised in that also examined including open circuit detection unit and short circuit
Unit is surveyed, the open circuit detection unit includes the sampling module, peak detection module 2 and the open circuit comparison module that are sequentially connected, with
And the peak detection module 3 being connected with the open circuit comparison module；The short detection unit includes the sampling mould being sequentially connected
Block, peak detection module 1 and short-circuit comparison module, and the peak detection module 3 being connected with the short-circuit comparison module；It is described
Peak detection module 3 is connected to the output end of the intensity adjustment module, and the open circuit comparison module and short-circuit comparison module are equal
It is connected to the control module.
The beneficial effects of the utility model are by increasing open circuit detection unit and short circuit inspection on the basis of traditional electro-therapeutic apparatus
Unit is surveyed, when output electrode opens short-circuit exception, its is corresponding to open short detection unit output inversion signal to controlling mould
Block, and then output pulse is controlled, it is to avoid electric-shock feeling or not expected injury are produced to user.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the peak detection module 1, peak detection module 2 and peak detection module 3 use active envelope solution
The in-phase input end of circuit, including operational amplifier, the operational amplifier is adjusted to connect a divider resistance, inverting input difference
One end of a resistance and the anode of a diode are connected, the negative electrode of the diode connects the output end of the operational amplifier,
The output end of the operational amplifier connects the anode of another diode, negative electrode and the resistance of another diode simultaneously
The other end connection, another diode negative electrode connection RC filter circuits with ground.
It is that 3 peak detection modules being related in this programme are used using the beneficial effect of above-mentioned further scheme
Active envelope demodulation circuit, the core electron element of realization uses operational amplifier, is leveled off to input impedance infinitely great, defeated
Go out impedance and level off to infinitesimal feature, there is good impedance matching effect to small-signal in circuit, reduce signal and pass
The defeated dough softening and the distortion factor.
Further, the sampling module includes the partial pressure electricity being respectively connected with the positive pole and negative pole of the output electrode
Resistance；The divider resistance of the positive pole of the output electrode is connected to the divider resistance of the in-phase input end of peak detection module 1, described
The output end of peak detection module 1 is connected to the inverting input of the short-circuit comparison module, the negative pole of the output electrode
Divider resistance is connected to the divider resistance of the in-phase input end of peak detection module 2, and the output end of the peak detection module 2 connects
It is connected to the in-phase input end of the open circuit comparison module；The output end of the peak detection module 3 is respectively connecting to the short circuit
The in-phase input end of comparison module and the reverse input end of open circuit comparison module；The open circuit comparison module and short-circuit comparison module
Inverting input be connected by a resistance with output end.
Beneficial effect using above-mentioned further scheme is adjusted by the value to sampling module divider resistance,
Make open circuit detection unit and short detection unit in normal operation, output level is consistent, and is opening short-circuit abnormal conditions
When, to identical rp state saltus step.
Further, also including display module, the display module is connected with control module.
Beneficial effect using above-mentioned further scheme is, when there is open circuit or short circuit, can be pointed out by display module
User and the current state of patient device and required corresponding operation, such as after detecting output open circuit, control module is to output
Passage has carried out locking, after now needing prompting user that intensity is adjusted into zero-bit, just can unlocking, and re-start parameter and set
It is fixed.
Brief description of the drawings
Fig. 1 is the utility model theory diagram；
Fig. 2 opens short-circuit function module circuit diagram for the utility model；
Fig. 3 opens short-circuit detecting workflow diagram for the utility model.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
Function of short circuit detection is opened with output electrode in order to the electro-therapeutic apparatus for solving current existing market is not designed also, in case leading
Family of applying produces the problem of electric-shock feeling and not expected injury, and the scheme that the utility model is used is by before to output module
Level and rear class voltage ratio compared with recognize output electrode open circuit and short-circuit condition.
As shown in figure 1, the common electro-therapeutic apparatus of existing market is general being adjusted by control module, indicating module, operation module, signal
Molding block, intensity adjustment module, output module and output electrode composition, its general operational process are that user passes through operation module pair
The output parameter of electro-therapeutic apparatus is configured, and control module is exported according to the input information of operation module by indicating module, is set
Good parameter information is finally exported to signal modulation module by control module, and parameter information is reduced into analog pulse signal, and
After intensity adjustment module is by analog pulse signal regulation to appropriate intensity, should to output electrode by output module output
Analog pulse signal acts on focus place to be treated.
The utility model is main to increase short-circuit comparison module, open circuit comparison module, peak on existing electro-therapeutic apparatus implementation
Value detection module 1, peak detection module 2, peak detection module 3 and sampling module are used to adopt input and output signal
Sample, detection and compare operation to realize out short-circuit detecting, it is by sampling module from output module rear class that it implements principle
(equivalent output electrode) obtains two signals, the signal of output module prime is obtained from intensity adjustment module, respectively through peak value
Detection module 1, peak detection module 2 and peak detection module 3 are input into short-circuit comparison module and open circuit after being demodulated operation
Comparison module, final comparing output valve is exported to control module, the corresponding alarm of triggering and indicating module, complete open circuit and
The sampling functions of short circuit.
Pass through the sampling module (the specifically resistors of output electrode multiple series connection in parallel) of output module rear class first
Two voltage signals are obtained on resistors in series, one of voltage signal after the peak value rectification of peak detection module 2 by marking
VO1 is designated as the comparing input value of open circuit comparison module and (﹢) pole for voltage comparator is accessed, a voltage signal passes through
After the peak value rectification of peak detection module 1 mark be comparing input value as short-circuit comparison module and access voltage ratio compared with
Another (-) pole of device；Then by the pulse signal after intensity adjustment module is adjusted, by the peak value of peak detection module 3
After rectification mark be and access open circuit comparison module voltage comparator another (-) pole and short-circuit ratio compare compared with module voltage
Another (﹢) pole of device, thus when open circuit or short circuit occurs in output electrode, corresponding open circuit comparison module or short-circuit comparison module
The signal level for being connected to control module just occurs saltus step.Wherein the premise for opening short path principle realization is：Sampling module is needed
Adjustment sample circuit element nominal value, makes two signals of collection meet the VO1 in normal work<VO3<VO2, in this way, when defeated
When going out electrode and opening a way, VO1>VO3 open circuit comparison module voltage comparator output high level or low level, if there is multichannel
Output electrode should be in parallel by "or" or "AND" relation, to ensure when any one output electrode is opened a way, that is, exports high
Level or low level realize detection function；When a short circuit occurs with open circuit similarly.
It is illustrated in figure 2 out each several part circuit module detailed circuit schematic diagram of function of short circuit detection, wherein peak detection
Module 1, peak detection module 2, peak detection module 3 use active envelope demodulation circuit, and high resistant is input into using operational amplifier
The influence of original signal of the anti-advantage reduction to each sample circuit, sample circuit is sampled by R2, R5, R6, R7 partial pressure, to ensure
Formed respectively through after peak detection module 1 and peak detection module 2 from the signal of short-circuit sampled point and open circuit sampled point collection
Envelope voltage value V02 and VO1 meet require.
Be illustrated in figure 3 electro-therapeutic apparatus opens short-circuit detecting workflow diagram, and its detailed process is：
(1) source signal of intensity adjustment module output is obtained, and the source signal is transferred to peak detection module 3；It is logical
Over-sampling module takes short-circuit sampled signal from the positive pole of output electrode, and the short-circuit sampled signal is transferred into peak detection mould
The in-phase input end of block 1；Meanwhile, road sampled signal is taken away from the negative pole of output electrode by sampling module, and by the open circuit
Sampled signal is transferred to the in-phase input end of peak detection module 2；
(2) source signal is carried out into detection by peak detection module 3, and by by the signal VO3 difference after detection
It is transferred to the in-phase input end of short-circuit comparison module and the inverting input of open circuit comparison module；By short-circuit sampled signal by peak
Value detection module 1 carries out detection, and the reverse input end of short-circuit comparison module will be transferred to by the signal VO2 after detection；Will
Open circuit sampled signal carries out detection by peak detection module 2, and the signal VO1 after detection is exported to open circuit comparison module
Input in the same direction；
(3) short-circuit comparison module judges whether short circuit, if short-circuit, exports high level to control module, if not short-circuit,
Export low level to control module；Open circuit comparison module judges whether open circuit, if open circuit, exports high level to control module,
If not opening a way, low level is exported to control module, wherein, opening short-circuit judgment rule is：
Work as VO2<VO3<VO1, output electrode normal work；
Work as VO1>VO3, output electrode is opened a way；
Work as VO2<VO3, output electrode is short-circuited.
Analyzed more than, it is known that when electro-therapeutic apparatus normal work, short-circuit comparison module and open circuit comparison module are to control
The fixed low level of module output or high level, when output electrode is short-circuited or open a way, corresponding short-circuit comparison module with
Open circuit comparison module will invert its output level, and control module performs lock operation according to the level upset of detection to electro-therapeutic apparatus,
Terminate electro-therapeutic apparatus output, with the infringement for avoiding bringing treatment user and electro-therapeutic apparatus in itself.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. it is a kind of that the electro-therapeutic apparatus of function of short circuit detection is driven with output electrode, including control module, the signal modulation being sequentially connected
Module, intensity adjustment module, output module and output electrode；Characterized in that, also including：
Open circuit detection unit and short detection unit, the open circuit detection unit include the sampling module, the peak value inspection that are sequentially connected
Ripple module 2 and open circuit comparison module, and the peak detection module 3 being connected with the open circuit comparison module；
The short detection unit includes the sampling module, peak detection module 1 and the short-circuit comparison module that are sequentially connected, Yi Jiyu
The peak detection module 3 of the short-circuit comparison module connection；The peak detection module 3 is connected to the intensity adjustment module
Output end, the open circuit comparison module and short-circuit comparison module are connected to the control module.
2. the electro-therapeutic apparatus that function of short circuit detection is opened with output electrode according to claim 1, it is characterised in that the peak
Value detection module 1, peak detection module 2 and peak detection module 3 use active envelope demodulation circuit, including operation amplifier
Device, the in-phase input end of the operational amplifier connects a divider resistance, inverting input connect respectively a resistance one end and
The anode of one diode, the negative electrode of the diode connects the output end of the operational amplifier, while the operational amplifier
Output end connect the anode of another diode, the negative electrode of another diode is connected with the other end of the resistance, described
Negative electrode connection RC filter circuits and the ground of another diode.
3. the electro-therapeutic apparatus that function of short circuit detection is opened with output electrode according to claim 2, it is characterised in that described to adopt
Egf block includes the divider resistance being respectively connected with the positive pole and negative pole of the output electrode；
The divider resistance of the positive pole of the output electrode is connected to the divider resistance of the in-phase input end of peak detection module 1, institute
The output end for stating peak detection module 1 is connected to the inverting input of the short-circuit comparison module, the negative pole of the output electrode
Divider resistance be connected to peak detection module 2 in-phase input end divider resistance, the output end of the peak detection module 2
It is connected to the in-phase input end of the open circuit comparison module；
The in-phase input end and open circuit that the output end of the peak detection module 3 is respectively connecting to the short-circuit comparison module compare
The reverse input end of module；The inverting input of the open circuit comparison module and short-circuit comparison module is with output end by an electricity
Resistance connection.
4. the electro-therapeutic apparatus that function of short circuit detection is opened with output electrode according to any one of claim 1 to 3, its feature
It is that, also including display module, the display module is connected with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621135940.2U CN206258535U (en) | 2016-10-19 | 2016-10-19 | A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621135940.2U CN206258535U (en) | 2016-10-19 | 2016-10-19 | A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258535U true CN206258535U (en) | 2017-06-16 |
Family
ID=59023242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621135940.2U Expired - Fee Related CN206258535U (en) | 2016-10-19 | 2016-10-19 | A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383293A (en) * | 2016-10-19 | 2017-02-08 | 成都云处方科技有限责任公司 | Electrotherapeutical instrument with output electrode open circuit and short circuit detection function and detection method |
-
2016
- 2016-10-19 CN CN201621135940.2U patent/CN206258535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383293A (en) * | 2016-10-19 | 2017-02-08 | 成都云处方科技有限责任公司 | Electrotherapeutical instrument with output electrode open circuit and short circuit detection function and detection method |
| CN106383293B (en) * | 2016-10-19 | 2023-08-29 | 成都云处方科技有限责任公司 | Electrotherapy instrument with output electrode open-short circuit detection function and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106383293A (en) | Electrotherapeutical instrument with output electrode open circuit and short circuit detection function and detection method | |
| CN108521115B (en) | A kind of primary controller and Switching Power Supply of Switching Power Supply | |
| CN103425169A (en) | Method for automatically adjusting voltage level and voltage level adjusting device | |
| CN102901864A (en) | Voltage detecting device | |
| CN101752845A (en) | Voltage and current surge protection method for electromagnetic oven and circuit thereof | |
| CN207117167U (en) | A kind of power device circuit with overcurrent protection function | |
| CN206258535U (en) | A kind of electro-therapeutic apparatus that function of short circuit detection is opened with output electrode | |
| CN106658295A (en) | Loudspeaker direct voltage detection circuit | |
| CN102114307B (en) | Defibrillation electrode identification method and defibrillation system | |
| CN109752588A (en) | Electric machine controller DC bus-bar voltage signal sampling and monitoring circuit and method | |
| CN105301478A (en) | Detection device and detection method of 3.7V cell single-string protection plate | |
| CN106332376A (en) | Ripple wave eliminating circuit and LED (light-emitting diode) control circuit | |
| CN106451700A (en) | Circuit protection device and wireless charging system | |
| CN109428369A (en) | Electric vehicle alternating-current charging interface guidance circuit | |
| CN104269829A (en) | Self-adaptive threshold value short-circuit protection circuit | |
| CN206401881U (en) | The anti-interference detection circuit of LED drive chip feedback pin | |
| CN205234511U (en) | Blood oxygen tester | |
| CN106786401B (en) | The anti-interference detection circuit of LED drive chip feedback pin | |
| CN209250275U (en) | Electric vehicle alternating-current charging interface guidance circuit | |
| CN103956714B (en) | A kind of high sensitivity multi-functional CT open-circuit protecting device | |
| CN206650677U (en) | A kind of fault monitoring device of continuous wave radiofrequency signal and impulse modulation radiofrequency signal | |
| CN208143504U (en) | A kind of heated by electrodes control circuit | |
| CN220105179U (en) | Low-frequency electric stimulation signal detection circuit and detection equipment thereof | |
| CN110261668A (en) | Current detection circuit and detection method | |
| CN208654223U (en) | A kind of underpressure pulses output circuit of band sluggishness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |