CN209644918U - Detection circuit and detection device for X-ray light emission open country consistency - Google Patents
Detection circuit and detection device for X-ray light emission open country consistency Download PDFInfo
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- CN209644918U CN209644918U CN201821446836.4U CN201821446836U CN209644918U CN 209644918 U CN209644918 U CN 209644918U CN 201821446836 U CN201821446836 U CN 201821446836U CN 209644918 U CN209644918 U CN 209644918U
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Abstract
The utility model belongs to electronic circuit technology field, provides detection circuit and detection device for X-ray light emission open country consistency, is converted to electric signal by the radiation signal to the X-ray got, and the electric signal is filtered and signal amplification；Judged simultaneously when the electric signal is more than reference signal, analog-to-digital conversion is carried out to filtering and the amplified electric signal of signal and edge calculates, the deviation of light field and radiation field size is obtained, finally the deviation is shown and shown the boundary position of radiation field size.It is thus achieved that the deviation of light field and radiation field size can quickly be read, and the boundary position of radiation field size is got at a glance, technical staff is facilitated to adjust the consistency of light emission open country, and the detection device is suitable for the detection of the chest side wall light emission open country of breast X-ray machine, the problem of it is slow there is data are read to solve the existing detection technique for X-ray light emission open country consistency, and cannot achieve the consistency of chest side wall of breast X-ray machine.
Description
Technical field
The utility model belongs to electronic circuit technology field, more particularly, to the detection electricity of X-ray light emission open country consistency
Road and detection device.
Background technique
The existing detection device for X-ray light emission open country consistency, what is generallyd use is light emission open country consistency detection plate
(copper sheet), the scale edge that when detection need to will test plate are aligned with the light field of X-ray machine, are then exposed, and pass through and read X-ray
The mode of image determines the deviation of light field and radiation field size.The shortcomings that this kind of way is must to read X-ray figure line, detection effect
Rate is low, and is not suitable for the detection of chest side wall light emission open country of breast X-ray machine (mammary machine chest side wall issues no IP plate or spy
Device is surveyed, all to read figure line beyond part).Wherein, IP plate is a kind of barium fluobromide crystalline solid containing microelement europium
The product being coated on support.
Therefore, the existing detection technique for X-ray light emission open country consistency is slow there is data are read, and cannot achieve
The problem of consistency of the chest side wall of breast X-ray machine.
Utility model content
The purpose of this utility model is to provide the detection circuit and detection device for X-ray light emission open country consistency, purports
It is slow there is data are read solving the existing detection technique for X-ray light emission open country consistency, and cannot achieve breast X-ray
The problem of consistency of the chest side wall of machine.
The utility model first aspect provides a kind of detection circuit for X-ray light emission open country consistency, the detection
Circuit includes:
The radiation signal of X-ray for will acquire is converted to the X-ray sensing module of electric signal；
It is connected with the X-ray sensing module, to the signal that the electric signal is filtered and signal amplifies
Manage module；
It is connected with the X-ray sensing module, for judging the output triggering when the electric signal is more than reference signal
The X-ray trigger module of signal；
It is connected with the signal processing module and the X-ray trigger module, for receiving the trigger signal, and
It will filter and the amplified electric signal of signal carries out analog-to-digital conversion and edge calculates, and obtain the deviation of light field and radiation field size
Main control module；And
It is connected with the main control module, for showing the boundary position of the radiation field size and being carried out to the deviation
The display module of display.
The utility model second aspect provides a kind of detection device for X-ray light emission open country consistency, including circuit
Plate and the shell for encapsulating the circuit board, the detection device further includes the detection as described above being integrated on the circuit board
Circuit.
Detection circuit and detection device provided by the utility model for X-ray light emission open country consistency, by acquisition
To the radiation signal of X-ray be converted to electric signal, and the electric signal is filtered and signal amplification；The electricity is worked as in judgement simultaneously
When signal is more than reference signal, analog-to-digital conversion is carried out to filtering and the amplified electric signal of signal and edge calculates, obtains light field
With the deviation of radiation field size, finally the deviation is shown and is shown the boundary position of radiation field size.It is thus achieved that
The deviation of light field and radiation field size can be quickly read, and gets the boundary position of radiation field size at a glance, facilitates technology people
The consistency of member's adjustment light emission open country, and the detection device is suitable for the detection of the chest side wall light emission open country of breast X-ray machine, solves
The existing detection technique for X-ray light emission open country consistency is slow there is data are read, and cannot achieve the chest of breast X-ray machine
The problem of consistency of side wall.
Detailed description of the invention
Fig. 1 is a kind of mould for detection circuit for X-ray light emission open country consistency that an embodiment of the present invention provides
Block structure schematic diagram.
Fig. 2 is a kind of showing for detection circuit for X-ray light emission open country consistency that an embodiment of the present invention provides
Example circuit diagram.
Fig. 3 is a kind of work for detection device for X-ray light emission open country consistency that an embodiment of the present invention provides
Make schematic illustration.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The above-mentioned detection circuit and detection device for X-ray light emission open country consistency, by the X-ray got
Radiation signal is converted to electric signal, and the electric signal is filtered and signal amplification；Judgement simultaneously is more than base when the electric signal
When calibration signal, analog-to-digital conversion is carried out to filtering and the amplified electric signal of signal and edge calculates, obtains light field and radiation field size
The deviation is finally shown and is shown the boundary position of radiation field size by deviation.
Fig. 1 shows a kind of detection circuit for X-ray light emission open country consistency of an embodiment of the present invention offer
Modular structure, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
A kind of above-mentioned detection circuit for X-ray light emission open country consistency, which includes X-ray sensing module
101, signal processing module 102, X-ray trigger module 103, main control module 104 and display module 105.
The radiation signal for the X-ray that X-ray sensing module 101 is used to will acquire is converted to electric signal.
Signal processing module 102 is connected with X-ray sensing module 101, for being filtered to electric signal and signal is put
Greatly.
X-ray trigger module 103 is connected with X-ray sensing module 101, for judging that when electric signal be more than reference signal
When, export trigger signal.
Main control module 104 is connected with signal processing module 102 and X-ray trigger module 103, for receiving triggering letter
Number, and filtering and the amplified electric signal of signal are subjected to analog-to-digital conversion and edge calculating, obtain the deviation of light field and radiation field size
Value.
Display module 105 is connected with main control module 104, for show radiation field size boundary position and to deviation into
Row display.
As an embodiment of the present invention, the deviation of above-mentioned light field and radiation field size that is to say light emission open country.What light field referred to
It is the regional scope that X-ray apparatus head analog light source is defined in the plane of incidence, radiation field size refers to beam perpendicular through mould
The range of body.
Above-mentioned X-ray trigger module 103 judges when electric signal is more than reference signal, then determines that light field and radiation field size exist
Deviation exports trigger signal to wake up 104 pairs of main control module filtering and the amplified electric signal of signal and carry out analog-to-digital conversion and side
Along calculating, to obtain the deviation of light field and radiation field size.
Fig. 2 shows a kind of detection circuits for X-ray light emission open country consistency that an embodiment of the present invention provides
Exemplary circuit, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
As an embodiment of the present invention, above-mentioned X-ray sensing module 101 includes that (Fig. 2 is used multiple photodiodes
PD1 ... PDn is indicated), multiple photodiodes are used to convert electric signal for the radiation signal (being optical signal) received,
And it exports to signal processing module 102 and X-ray trigger module 103.
As an embodiment of the present invention, above-mentioned signal processing module 102 includes filter unit 1021 and amplifying unit
1022.Filter unit 1021 is for being filtered electric signal；Amplifying unit 1022 is connected with filter unit 1021, for pair
Filtered electric signal carries out signal amplification.
Wherein, filter unit 1021 includes filter capacitor C1, and the first of filter capacitor C1 terminates X-ray sensing module 101,
The second end of filter capacitor C1 is grounded.
Wherein, amplifying unit 1022 includes operational amplifier U1A and resistance R1, the normal phase input end of operational amplifier U1A
With the first end of the first termination filter capacitor C1 of resistance R1, the inverting input terminal of operational amplifier U1A is hanging, operational amplifier
The output end of U1A and the second termination main control module 104 of resistance R1.
As an embodiment of the present invention, above-mentioned X-ray trigger module 103 includes comparator P1, and the of comparator P1
One input termination X-ray sensing module 101, the second input terminal of comparator P1 access reference signal, the output end of comparator P1
Connect main control module 104.
As an embodiment of the present invention, above-mentioned main control module is realized using single-chip microcontroller U1, and the first of single-chip microcontroller U1 is defeated
Enter to hold IN1 to connect the output end of operational amplifier U1A, the second input terminal IN2 of single-chip microcontroller U1 connects the output end of comparator P1, monolithic
The output end OUT of machine U1 connects display module 105.
Specifically, single-chip microcontroller U1 has three functions, including triggering wakes up, control and edge calculating, A/D sample these three
Function.When single-chip microcontroller U1 receives the trigger signal of comparator P1 output, triggering wake-up is carried out, then bring into operation work,
Then analog-to-digital conversion and edge are carried out to the electric signal of operational amplifier U1A output to calculate, obtains the inclined of light field and radiation field size
Difference.Wherein, it includes trend analysis and statistical analysis that edge, which calculates,.
As an embodiment of the present invention, above-mentioned display module 105 includes liquid crystal display or LED display, Fig. 2
It is shown to be indicated using liquid crystal display.
The utility model additionally provides a kind of detection device for X-ray light emission open country consistency, including circuit board and envelope
The shell of the circuit board is filled, the detection device further includes the detection circuit as described above being integrated on the circuit board.
Wherein, the shell is any one in plastic shell, rubbery outer cover and ceramic shell, is certainly not limited to
Plastic shell, rubbery outer cover and ceramic shell, as long as isolation material and playing the shell of sealing function also to circuit board
It can.
Fig. 3 shows a kind of detection device for X-ray light emission open country consistency of an embodiment of the present invention offer
Working principle, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
In Fig. 3,10 indicate the range of X-ray light field, and 20 indicate the range of X-ray radiation open country, and 30 indicate detection device,
40 indicate to be shown by the screen that X-ray triggers, and 50 indicate the actual deviation value obtained after calculating.
Using radiation-sensitive detector image-forming principle, by the linear array detector array of multiple individual radiation detector compositions
It is sealed, detector can convert optical signal for radiation signal after irradiating via radiation, light photodiode, while triggering electricity
Corresponding click-through line position sets display on the bright liquid crystal display of waypoint.This position is then the correct position of radiation field size, by this position and inspection
The position of rule for surveying device is compared, and obtains the specific deviation of light emission open country.The deviation of above-mentioned calculating light emission open country consistency, tool
Body are as follows: each linear array detector is arranged by 25 identical point detectors, and the length of each point detector is 1mm, is passed through
It detects which point detector is triggered by radiation, is then compared with " zero point " in detection device, to obtain specific
Deviation.
The advantage of above-mentioned detection device is embodied in:
1, the detection on the radiation boundary carried out using radiation-sensitive detector；
2, LCD screen, display radiation boundary point are triggered using photodiode signal；
3, X-ray automatic trigger, automatic stand-by, have a low-power consumption effect, and service life at least 5 years；
4, in conjunction with trend analysis and statistical analysis, a trigger point is obtained, the thinking that the thinking of algorithm judges close to people is protected
Demonstrate,prove the accuracy of measurement.
To sum up, the detection circuit and detection device provided by the embodiment of the utility model for X-ray light emission open country consistency,
Be converted to electric signal by the radiation signal to the X-ray got, and the electric signal is filtered and signal amplification；Simultaneously
Judge when the electric signal is more than reference signal, analog-to-digital conversion and edge meter are carried out to filtering and the amplified electric signal of signal
It calculates, obtains the deviation of light field and radiation field size, finally the deviation is shown and shown the boundary position of radiation field size.
It is thus achieved that the deviation of light field and radiation field size can quickly be read, and the boundary position of radiation field size is got at a glance,
Technical staff is facilitated to adjust the consistency of light emission open country, and the detection device is suitable for the chest side wall light emission open country of breast X-ray machine
It is slow there is data are read to solve the existing detection technique for X-ray light emission open country consistency, and cannot achieve cream for detection
The problem of consistency of the chest side wall of gland X-ray machine.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of detection circuit for X-ray light emission open country consistency, which is characterized in that the detection circuit includes:
The radiation signal of X-ray for will acquire is converted to the X-ray sensing module of electric signal；
It is connected with the X-ray sensing module, the signal processing mould for being filtered to the electric signal and signal amplifies
Block；
It is connected with the X-ray sensing module, exports trigger signal when the electric signal is more than reference signal for judging
X-ray trigger module；
It is connected with the signal processing module and the X-ray trigger module, for receiving the trigger signal, and will filter
Wave and the amplified electric signal of signal carry out analog-to-digital conversion and edge calculating, obtain the master of the deviation of light field and radiation field size
Control module；And
It is connected with the main control module, for showing the boundary position of the radiation field size and being shown to the deviation
Display module.
2. detection circuit as described in claim 1, which is characterized in that the X-ray sensing module includes multiple two poles of photoelectricity
Pipe.
3. detection circuit as described in claim 1, which is characterized in that the signal processing module includes:
Filter unit for being filtered to the electric signal；With
It is connected with the filter unit, for carrying out the amplifying unit of signal amplification to the filtered electric signal.
4. detection circuit as claimed in claim 3, which is characterized in that the filter unit is realized using filter capacitor.
5. detection circuit as claimed in claim 3, which is characterized in that the amplifying unit is realized using operational amplifier.
6. detection circuit as described in claim 1, which is characterized in that the X-ray trigger module includes comparator；
The first input end of the comparator connects the X-ray sensing module, described in the second input terminal access of the comparator
The output of reference signal, the comparator terminates the main control module.
7. detection circuit as described in claim 1, which is characterized in that the display module includes liquid crystal display or LED
Display screen.
8. detection circuit as described in claim 1, which is characterized in that the main control module uses chip microcontroller.
9. a kind of detection device for X-ray light emission open country consistency, the shell including circuit board and the encapsulation circuit board is special
Sign is, the detection device further include be integrated on the circuit board such as the described in any item detections electricity of claim 1-8
Road.
10. detection device as claimed in claim 9, which is characterized in that the shell is plastic shell, rubbery outer cover and pottery
Any one in ceramic shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446836.4U CN209644918U (en) | 2018-09-05 | 2018-09-05 | Detection circuit and detection device for X-ray light emission open country consistency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446836.4U CN209644918U (en) | 2018-09-05 | 2018-09-05 | Detection circuit and detection device for X-ray light emission open country consistency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209644918U true CN209644918U (en) | 2019-11-19 |
Family
ID=68505507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821446836.4U Active CN209644918U (en) | 2018-09-05 | 2018-09-05 | Detection circuit and detection device for X-ray light emission open country consistency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209644918U (en) |
-
2018
- 2018-09-05 CN CN201821446836.4U patent/CN209644918U/en active Active
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