CN207323461U - Calibrating instrument and electrocardiograph detecting system - Google Patents
Calibrating instrument and electrocardiograph detecting system Download PDFInfo
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- CN207323461U CN207323461U CN201720194413.7U CN201720194413U CN207323461U CN 207323461 U CN207323461 U CN 207323461U CN 201720194413 U CN201720194413 U CN 201720194413U CN 207323461 U CN207323461 U CN 207323461U
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Abstract
The utility model discloses calibrating instrument and electrocardiograph detecting system, it is related to medical instruments field.The utility model provides a kind of calibrating instrument, including input module, control module, rectification module and output module.Input module is electrically connected with control module, and control module is electrically connected with rectification module, and rectification module is electrically connected with output module.Input module is used to be configured the amplitude and frequency of input signal, and control module is used to produce control signal and reference waveform signal, and rectification module is used for the amplitude for adjusting reference waveform signal, and output module is used to be connected with electrocardiograph.The utility model additionally provides a kind of electrocardiograph detecting system, including electrocardiograph and calibrating instrument.The utility model calibrating instrument and electrocardiograph had not only met performance as defined in metrological regulation, but it is light and handy it is portable, operation is simple, clear process.
Description
Technical field
Medical instruments field is the utility model is related to, in particular to calibrating instrument and electrocardiograph detecting system.
Background technology
As social economy constantly advances, people start more to pay close attention to personal health level, heart disease conduct pair
The mankind threaten one of maximum disease of increased attention.Diagnosis to heart disease is also weighed by medical field always
Depending on.
In practical applications, the method for electrocardiograph collection patient's bioelectrical signals is in human body surface, institute by electrode paste
It can be carried out with carrying out diagnosis to patient using it without wound.In addition, by development and exploration for many years, medical industry accumulation
The use experience of very abundant so that diagnosis becomes very reliable.The operation difficulty of electrocardiograph in itself there has also been very great Cheng
Reduction on degree.Exactly because there is basis as above, electrocardiograph just becomes the most common medical diagnostic equipment of situation of all-level hospitals,
It is widely used.
The figure that electrocardiograph is depicted directly affects diagnosis of the doctor for patient disease, if accuracy not enough or
Mistaken diagnosis will be brought by producing deviation, and severe patient may threaten patient vitals, so the meter characteristic of itself is especially smart
Degree is a vital performance indicator.In order to ensure electrocardiograph can normal accurate work, it is ensured that using electrocardiograph into
Accurately and reliably, electrocardiograph is incorporated the category of compulsory verification measurement instrument, mandatory requirement to capable clinical diagnosis result by country
Calibration voltage, frame frequency characteristic to the equipment of situation of all-level hospitals, resistance to polarizing voltage, sensitivity, writing speed, baseline drift, overshoot
Periodic calibrating is carried out etc. metering performance, staking-out work is mainly what electrocardiograph detecting instrument was completed.
In the actual verification process of measurement verification test institute, carrying out staking-out work using the calibrating instrument of current version has
In place of inconvenience.Wherein, it is the most obvious in the work that device context is examined and determine for verification worker, due to existing calibrating instrument
Volume is too fat to move, trivial operations, makes inherently troublesome calibration operation more complicated.
Utility model content
The purpose of this utility model is to provide a kind of calibrating instrument, it meets performance as defined in metrological regulation, lightly portable,
Operation is simple, clear process.
The another object of the utility model is to provide a kind of electrocardiograph, it meets that metrological regulation provides easy to detection
Performance, it is light and handy it is portable, operation is simple, clear process.
The utility model provides a kind of technical solution：
A kind of calibrating instrument, for being detected to electrocardiograph, including input module, control module, rectification module and defeated
Go out module.Input module is electrically connected with control module, and control module is electrically connected with rectification module, rectification module and output module electricity
Connection.Input module is used to be configured the amplitude and frequency of input signal, and control module is used to produce control signal and mark
Waveform signal, rectification module are used for the amplitude for adjusting reference waveform signal, and output module is used to be connected with electrocardiograph.Control
Module includes main control unit, control signal output, waveform signal output terminal and input signal input terminal, main control unit respectively with
Control signal output, waveform signal output terminal and input signal input terminal are electrically connected, input signal input terminal and input module
It is electrically connected.Rectification module includes range swithching unit and routing output unit, and signal conversion unit is electrically connected with routing output unit
Connect, signal conversion unit is electrically connected with waveform signal output terminal, and routing output unit is electrically connected with control signal output.
Further, above-mentioned routing output unit include routing unit, control signal input, waveform signal input terminal and
Routing output terminal.Routing unit is electrically connected with control signal input, waveform signal input terminal and routing output terminal respectively, control
Signal input part is electrically connected with control signal output, and waveform signal input terminal is electrically connected with range swithching unit, routing output
End is electrically connected with output module.
Further, above-mentioned routing unit is multiway analog switch.
Further, above-mentioned output module includes output unit, output interface input terminal, output interface output terminal and wiring
Column.Output unit is electrically connected with output interface input terminal and output interface output terminal respectively, output interface output terminal and binding post
It is electrically connected, output interface input terminal is electrically connected with routing output terminal, and binding post is used to be connected with external equipment.
Further, above-mentioned range swithching unit is fixed attenuator.
Further, above-mentioned main control unit includes process chip, any one in process chip FPGA, ARM and DSP
Kind.
Further, above-mentioned input module includes display unit and touch control unit, and display unit is connected with touch control unit, touches
Control unit is electrically connected with input signal input terminal.
Further, above-mentioned control module further includes emulator interface, and emulator interface is communicated to connect with main control unit, with
Main control unit is debugged or is updated.
A kind of electrocardiograph detecting system, including electrocardiograph and calibrating instrument.Electrocardiograph includes display device, output is beaten
Printing apparatus, signal collecting device and signal handling equipment.Calibrating instrument includes input module, control module, rectification module and output
Module.Input module is electrically connected with control module, and control module is electrically connected with rectification module, and rectification module is electrically connected with output module
Connect.Input module is used to be configured the amplitude and frequency of input signal, and control module is used to produce control signal and standard
Waveform signal, rectification module are used for the amplitude for adjusting reference waveform signal, and output module is used to be connected with electrocardiograph.Control mould
Block includes main control unit, control signal output, waveform signal output terminal and input signal input terminal, main control unit respectively with control
Signal output part, waveform signal output terminal and input signal input terminal processed are electrically connected, input signal input terminal and input module electricity
Connection.Rectification module includes range swithching unit and routing output unit, and signal conversion unit is electrically connected with routing output unit,
Signal conversion unit is electrically connected with waveform signal output terminal, and routing output unit is electrically connected with control signal output.Export mould
Block is electrically connected with signal collecting device.
Further, above-mentioned signal collecting device, which is provided with, leads line, leads line and is electrically connected with output module.
Compared with prior art, the beneficial effect of calibrating instrument and electrocardiograph detecting system provided by the utility model is：
Calibrating instrument can set the amplitude and frequency of the control signal of control module generation by input module.Control mould
Block produces reference waveform signal, and reference waveform signal makes its amplitude reach mV magnitudes by rectification module.Produced by control module
Control signal carry out routing to the waveform signals of mV magnitudes and export to output module, output module to be electrically connected with electrocardiograph,
And then the working status of electrocardiograph is detected.Calibrating instrument provided in this embodiment had both met property as defined in metrological regulation
Can, at the same again it is light and handy it is portable, operation is simple, clear process.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram for the calibrating instrument that the first embodiment of the utility model provides；
Fig. 2 is the structure diagram for the control module that the first embodiment of the utility model provides；
Fig. 3 is the structure diagram for the rectification module that the first embodiment of the utility model provides；
Fig. 4 is that the connection relation between the control module that the first embodiment of the utility model provides and rectification module is illustrated
Figure.
Icon：100- calibrating instruments；110- input modules；120- control modules；121- main control units；122- input signals are defeated
Enter end；123- waveform signal output terminals；124- control signal outputs；125- emulator interfaces；130- rectification modules；131- amounts
Journey converting unit；132- routing output units；1321- routing units；1322- waveform signal input terminals；1323- control signals are defeated
Enter end；1324- routing output terminals；140- output modules.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The unit of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model, it is to be understood that term " on ", " interior ", the orientation or position of the instruction such as " outer "
Put relation be based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put
Or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, it is for only for ease of and describes this reality
With new and simplify description, rather than instruction or imply that signified equipment or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or one
Ground connects；Can mechanically connect or be electrically connected；Can be directly connected to, can also by between intermediary in succession
Connect, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
Concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
First embodiment
Referring to Fig. 1, present embodiments providing a kind of calibrating instrument 100, it had both met performance as defined in metrological regulation, at the same time
Again it is light and handy it is portable, operation is simple, clear process.
Calibrating instrument 100 provided in this embodiment is used to be detected electrocardiograph, to judge whether electrocardiograph is in
Normal working status.
Calibrating instrument 100 provided in this embodiment includes input module 110, control module 120, rectification module 130 and output
Module 140.Input module 110 is electrically connected with control module 120, and control module 120 is electrically connected with rectification module 130, rectification mould
Block 130 is electrically connected with output module 140.
Input module 110 is used to be configured the amplitude and frequency of input signal, and control module 120 is used to produce control
Signal and reference waveform signal, rectification module 130 are used for the amplitude for adjusting reference waveform signal, and output module 140 is used for and the heart
Electrograph machine connects.
It should be noted that the electrical connection that the present embodiment is mentioned is primarily referred to as being electrically connected, that is to say, that between modules
What is transmitted is electric signal.
Referring to Fig. 2, control module 120 includes main control unit 121, control signal output 124, waveform signal output terminal
123rd, input signal input terminal 122 and emulator interface 125.Main control unit 121 respectively with control signal output 124, waveform
Signal output part 123 and input signal input terminal 122 are electrically connected, and input signal input terminal 122 is electrically connected with input module 110.
Emulator interface 125 is communicated to connect with main control unit 121, main control unit 121 is debugged or updated.
Emulator interface 125 is that 100 software upgrading of calibrating instrument as a whole upgrades and a reserved input interface.Normally
The general output port provided under state not as user oriented, so can be enclosed in the lump with the other circuits of system under normal condition
Inside equipment.Upgrading renewal or equipment debugging demand are such as run into, the shell that can open equipment finds interface use.
In the present embodiment, main control unit 121 includes process chip, process chip ARM.Certainly, it is not limited to that,
In the other embodiment of the utility model, process chip can also be FPGA or DSP.
Fig. 3 and Fig. 4 are referred to, rectification module 130 includes range swithching unit 131 and routing output unit 132, and signal turns
Change unit to be electrically connected with routing output unit 132, signal conversion unit is electrically connected with waveform signal output terminal 123, routing output
Unit 132 is electrically connected with control signal output 124.
Routing output unit 132 includes routing unit 1321, control signal input 1323, waveform signal input terminal 1322
With routing output terminal 1324.Routing unit 1321 respectively with control signal input 1323, waveform signal input terminal 1322 and choosing
Road output terminal 1324 is electrically connected, and control signal input 1323 is electrically connected with control signal output 124, waveform signal input terminal
1322 are electrically connected with range swithching unit 131, and routing output terminal 1324 is electrically connected with output module 140.
The effect of range swithching unit 131 is the decay into line amplitude to signal.The output signal wave of usual calibrating instrument 100
The amplitude of shape is in mV magnitudes, but the magnitude of the amplitude of the reference waveform signal produced by control module 120 is far above this amount
Level.The specific effect of range swithching unit 131 is exactly to decay to wave-shape amplitude on the premise of shape information is not lost as far as possible
MV grades are delivered to routing unit 1321 again.In the present embodiment, range swithching unit 131 is fixed attenuator.Certainly, in this reality
With in new other embodiment, range swithching unit 131 can also be variable attenuator.
The effect of routing unit 1321 is the switching selection required input tunnels analogy input from multiple analog input signals
Signal circuit.Analog switch is a kind of mainly by field-effect transistor realization to the gating of signal or the three state circuit of judgement
(integrated chip), when strobe pin, which is in, makes certain signal gating state all the way, the state output terminal on the road depends on completely
In input terminal, strobe pin be in make certain all the way signal not gated state when, output terminal is maintained at high-impedance state.Due to simulation
Switch is with the advantage such as fast response time, instantaneous power consumption is low, abrasion resistance properties are good, service life length.In the present embodiment, routing
Unit 1321 is multiway analog switch.
Output module 140 includes output unit (not shown), output interface input terminal (not shown), output interface output terminal
(not shown) and binding post (not shown).Output unit is electrically connected with output interface input terminal and output interface output terminal respectively,
Output interface output terminal is electrically connected with binding post, and output interface input terminal is electrically connected with routing output terminal 1324, and binding post is used for
It is connected with external equipment.
In the present embodiment, input module 110 includes display unit (not shown) and touch control unit (not shown), and display is single
Member is connected with touch control unit, and touch control unit is electrically connected with input signal input terminal 122.
Calibrating instrument 100 provided in this embodiment can set the control of the generation of control module 120 by input module 110
The amplitude and frequency of signal.Control module 120 produces reference waveform signal, and reference waveform signal makes it by rectification module 130
Amplitude reaches mV magnitudes.Routing is carried out by the control signal that control module 120 produces to the waveform signal of mV magnitudes to export to defeated
Go out module 140, output module 140 is electrically connected with electrocardiograph, and then the working status of electrocardiograph is detected.This implementation
The calibrating instrument 100 that example provides not only had met performance as defined in metrological regulation, but it is light and handy it is portable, operation is simple, clear process.
Second embodiment
A kind of electrocardiograph detecting system (not shown) is present embodiments provided, it meets performance as defined in metrological regulation,
It is light and handy it is portable, operation is simple, clear process.
Electrocardiograph detecting system provided in this embodiment, including the calibrating instrument that electrocardiograph and first embodiment provide
100.Electrocardiograph includes display device, output printing device, signal collecting device, signal handling equipment.Output module 140 with
Signal collecting device is electrically connected.
In the present embodiment, signal collecting device, which is provided with, leads line, leads line and is electrically connected with output module 140.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of calibrating instrument, for being detected to electrocardiograph, it is characterised in that including input module, control module, rectification
Module and output module, the input module are electrically connected with the control module, the control module and rectification module electricity
Connection, the rectification module are electrically connected with the output module；
The input module is used to be configured the amplitude and frequency of input signal, and the control module is used to produce control letter
Number and reference waveform signal, the rectification module be used to adjust the amplitude of the reference waveform signal, the output module is used for
It is connected with the electrocardiograph；
The control module includes main control unit, control signal output, waveform signal output terminal and input signal input terminal, institute
Main control unit is stated to be electrically connected with the control signal output, the waveform signal output terminal and the input signal input terminal respectively
Connect, the input signal input terminal is electrically connected with the input module；
The rectification module includes range swithching unit and routing output unit, and the signal conversion unit is exported with the routing
Unit is electrically connected, and the signal conversion unit is electrically connected with the waveform signal output terminal, the routing output unit with it is described
Control signal output is electrically connected.
2. calibrating instrument according to claim 1, it is characterised in that the routing output unit includes routing unit, control
Signal input part, waveform signal input terminal and routing output terminal, the routing unit respectively with the control signal input, institute
State waveform signal input terminal and the routing output terminal is electrically connected, the control signal input and the control signal output
It is electrically connected, the waveform signal input terminal is electrically connected with the range swithching unit, the routing output terminal and the output mould
Block is electrically connected.
3. calibrating instrument according to claim 2, it is characterised in that the routing unit is multiway analog switch.
4. calibrating instrument according to claim 2, it is characterised in that the output module includes output unit, output interface
Input terminal, output interface output terminal and binding post, the output unit respectively with the output interface input terminal and output interface
Output terminal is electrically connected, and the output interface output terminal is electrically connected with binding post, and the output interface input terminal and the routing are defeated
Outlet is electrically connected, and the binding post is used to be connected with external equipment.
5. calibrating instrument according to claim 1, it is characterised in that the range swithching unit is fixed attenuator.
6. calibrating instrument according to claim 1, it is characterised in that the main control unit includes process chip, the processing
Chip is any one in FPGA, ARM and DSP.
7. calibrating instrument according to claim 1, it is characterised in that the input module includes display unit and touch-control list
Member, the display unit are connected with the touch control unit, and the touch control unit is electrically connected with the input signal input terminal.
8. according to the calibrating instrument described in any one in claim 1-7, it is characterised in that the control module further includes emulation
Device interface, the emulator interface is communicated to connect with the main control unit, the main control unit is debugged or updated.
9. a kind of electrocardiograph detecting system, it is characterised in that including electrocardiograph and such as any one institute in claim 1-8
The calibrating instrument stated, the electrocardiograph include display device, output printing device, signal collecting device and signal handling equipment,
The output module is electrically connected with the signal collecting device.
10. electrocardiograph detecting system according to claim 9, it is characterised in that the signal collecting device is provided with
Line is led, the line of leading is electrically connected with the output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194413.7U CN207323461U (en) | 2017-03-01 | 2017-03-01 | Calibrating instrument and electrocardiograph detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194413.7U CN207323461U (en) | 2017-03-01 | 2017-03-01 | Calibrating instrument and electrocardiograph detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207323461U true CN207323461U (en) | 2018-05-08 |
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ID=62375323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720194413.7U Expired - Fee Related CN207323461U (en) | 2017-03-01 | 2017-03-01 | Calibrating instrument and electrocardiograph detecting system |
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| Country | Link |
|---|---|
| CN (1) | CN207323461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188154A (en) * | 2018-10-23 | 2019-01-11 | 哈尔滨市计量检定测试院 | One kind being based on Raspberry Pi portable low power-consumption binary channel electro-medical physiological apparatus calibrating instrument |
-
2017
- 2017-03-01 CN CN201720194413.7U patent/CN207323461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188154A (en) * | 2018-10-23 | 2019-01-11 | 哈尔滨市计量检定测试院 | One kind being based on Raspberry Pi portable low power-consumption binary channel electro-medical physiological apparatus calibrating instrument |
| CN109188154B (en) * | 2018-10-23 | 2024-03-08 | 哈尔滨市计量检定测试院 | Portable low-power-consumption dual-channel medical electrophysiological equipment verification instrument based on Raspberry Pi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |