CN204655616U - Hsempdiakysing systems blood leakage detector - Google Patents
Hsempdiakysing systems blood leakage detector Download PDFInfo
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- CN204655616U CN204655616U CN201520311510.0U CN201520311510U CN204655616U CN 204655616 U CN204655616 U CN 204655616U CN 201520311510 U CN201520311510 U CN 201520311510U CN 204655616 U CN204655616 U CN 204655616U
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- 239000008280 blood Substances 0.000 title claims abstract description 69
- 210000004369 blood Anatomy 0.000 title claims abstract description 69
- 239000003086 colorant Substances 0.000 claims abstract description 20
- 238000000502 dialysis Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 17
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 9
- 239000000385 dialysis solution Substances 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 229960000182 blood factors Drugs 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004159 blood analysis Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000008393 encapsulating agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 206010018873 Haemoconcentration Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Abstract
This utility model provides a kind of hsempdiakysing systems blood leakage detector, comprise: for clamp Dialysis tubing magazine, penetrate light straight channel, photosensitive straight channel, white light source, color sensor and control device, the described central shaft penetrating light straight channel and described photosensitive straight channel is located along the same line, described color sensor receives the light from photosensitive straight channel and exports three primary colours square-wave signal, and described control device receives three primary colours square-wave signal and sends alarm command.Hsempdiakysing systems blood leakage detector detection sensitivity of the present utility model is very high, owing to there being color distinguishing ability, can prevent the wrong report that non-leakage blood factor causes, and because being that noncontact dialysis solution detects, therefore safety is high, element also not vulnerable to pollution; Can the brightness flop that causes of the factor such as stained, the Dialysis tubing light transmittance change in self adaptation device aging, surface.
Description
Technical field
This utility model relates to a kind of blood leakage detector, particularly for the blood leakage detector of hsempdiakysing systems dialysis solution pipeline.
Background technology
The leakage blood examination survey of hsempdiakysing systems is an important leverage function to patient safety, is absolutely necessary in blood purification process.General blood leakage detector is with photoelectric sensor, cause the change of light penetration in dialysis solution to detect, but this is likely caused wrong report by the deposition of ion on tube wall based on leakage blood.Some equipment blood leakage detector uses green light source instead, improves to some extent to the induction of liquid redness change in signal piping.More perfect blood leakage detector not only detects the transmitance of light, and compares with red and green two kinds of light sources, and change more sensitivity to liquid redness, this just can get rid of above-mentioned wrong report.But, such detector arrangement more complicated.
ZL201120451992.1 describes a kind of leakage blood checkout gear, the liquid inlet joint comprising housing and be arranged on housing and liquid outlet joint, the light-emitting device and the color reception discriminating device that are arranged on housing cavity both sides are sealed by transparent encapsulants, described housing comprises middle casing, be arranged on the side cover of housing both sides and be arranged on the top cover of case top, two transparent encapsulants are arranged between middle casing both sides and side cover respectively, top seal is arranged on middle casing, and the inner chamber of inner chamber on top cover and middle casing and two transparent encapsulants form liquid storage cylinder, the bottom surface of middle casing inner chamber has arc or V-arrangement, liquid inlet joint and liquid outlet joint are arranged on the front side of top cover respectively, the outage that middle casing bottom is arranged communicates with the minimum position of inner chamber bottom surface, and tapping valve is arranged on outage place.This leakage blood checkout gear is contact type measurement, and because the liquid entering liquid storage cylinder is certain acid-base value, this contact type measurement easily causes the aging of Detection theory device and damages, and blood detecting reliability is leaked in impact.
ZL201220616440.6 describes a kind of leakage blood checkout gear of haemodialysis control unit, it comprises: be arranged on the optical detection chamber in hemodialysis engine housing, the two opposite end housings in optical detection chamber are set to transmission region, and other housing parts are then set to light tight region; In optical detection chamber, wherein the transmission region arranged outside one of one end sends the light-emitting device of white light, and in the transmission region arranged outside one of the other end for detecting the color sensing chip of red light component and white light component; Carry out color sensing chip Output rusults and reference value to contrast the signal acquiring board judging whether to occur to leak blood, and the equal connection signal collection plate of light-emitting device, color sensing chip.This detector is subject to surround lighting variable effect, to the interference that testing result causes.
Utility model content
The purpose of this utility model be for general blood leakage detector easily cause wrong report, complicated structure, device easily aging and detect be subject to environmental disturbances etc. problem, a kind of new hsempdiakysing systems blood leakage detector is proposed.
Hsempdiakysing systems blood leakage detector of the present utility model comprises:
For clamping the magazine of Dialysis tubing, comprising relative first wall and second that is in the light and to be in the light wall;
Penetrate light straight channel, be located at first and be in the light in wall, one end open is in the light in first the inwall of wall;
Photosensitive straight channel, is located at second and is in the light in wall, and one end open is in the light in second the inwall of wall; The described central shaft penetrating light straight channel and described photosensitive straight channel is located along the same line;
White light source, is located at first and is in the light within the walls, and just penetrates light straight channel to described;
Color sensor, is located at second and is in the light within the walls, is transferred to the light of described photosensitive straight channel for receiving and exports three primary colours square-wave signal from described white light source;
Control device, is connected with color sensor signal, for receiving three primary colours square-wave signal and sending alarm command.
Preferably, described magazine is provided with U-shaped groove, and described first wall and second that is in the light is in the light two sidewalls of wall respectively corresponding described U-shaped groove.
Preferably, described first is in the light is provided with light source darkroom within the walls, and described white light source is arranged in described light source darkroom, and described light source darkroom is communicated with described light straight channel of penetrating.
Described white light source should connect power supply.Preferably, described white light source connects power supply through mu balanced circuit.
Described white light source can be white light-emitting diode or white bulb.Preferably, be white light-emitting diode.
Preferably, described second is in the light is provided with color sensor darkroom within the walls, and described color sensor is placed in described color sensor darkroom, and described color sensor darkroom is communicated with described photosensitive straight channel.
Described color sensor comprises photosensitive window, and preferably, described photosensitive window is just to described photosensitive straight channel.
Described color sensor can be selected from TCS3200, TCS3210 or TCS230.
Described control device stores threshold value, compares after the frequency values of the three primary colours square-wave signal from color sensor being converted to relative HSL value with threshold value, produces alarm command when relative HSL value exceeds threshold value.
Concrete, described control device comprises:
For obtaining the unit of the regulation coefficient based on blank level adjustment;
For based on regulation coefficient, the frequency values of actual measurement three primary colours square-wave signal is converted to white balance the unit of the relative rgb value being benchmark;
For by relative rgb value photograph to the unit of HSL value, described relative HSL value is any one or more among relative chromatic value, relative saturation angle value and relative brightness value;
For storing or set the unit of Lou blood threshold value;
For relative HSL value being compared with leakage blood threshold value, produce the unit of alarm command when relative HSL value exceeds and leaks blood threshold value.
Preferably, described control device also can comprise: for getting rid of the mean filter unit of minute bubbles interference.
Preferably, described control device is also connected with white light source, and comprises further: for judging white light source fault and sending the unit of alarm command when white light source fault.
Preferably, described control device is connected with communication interface.Concrete, described communication interface can be selected from RS232, USB, RS422, RS485, I
2the communication interfaces such as C, can be used for testing result and/or warning message to be uploaded to host computer, or accept the management of host computer.
Preferably, described control device is embedded on described magazine.Further, described control device to be integrated in circuit board and to be embedded in described second and is in the light on wall.
Blood leakage detector of the present utility model also can comprise alarm device further or share Same Alarm device with hsempdiakysing systems, and described alarm device is connected with control device, the alarm command of receiving control device.
Hsempdiakysing systems blood leakage detector of the present utility model is using white light as light source, its white light forms light beam irradiation dialysis tube wall by penetrating light straight channel, and arrive the photosensitive straight channel to lateral retaining wall through dialysis tube wall and dialysis solution, photosensitive window due to color sensor faces the photosensitive straight channel of barricade, thus can detect the transmitted ray penetrated from offside.This design can avoid surround lighting to change the interference caused.
Hsempdiakysing systems blood leakage detector detection sensitivity of the present utility model is very high; Owing to there being color distinguishing ability, the wrong report that non-leakage blood factor causes can be prevented; Because being that noncontact dialysis solution detects, therefore safety is high, element also not vulnerable to pollution; Can the brightness flop that causes of the factor such as stained, the Dialysis tubing light transmittance change in self adaptation device aging, surface; There is numerical value conversion intelligent functions.Preferred version can also possess the intelligent functions such as mean filter, luminous self-inspection, both-way communication; Its hardware configuration is simple, debugs easy, and capacity of resisting disturbance is strong, and working stability is reliable.
Accompanying drawing explanation
Fig. 1 is shown as the section of structure of embodiment hsempdiakysing systems blood leakage detector
Fig. 2 is shown as embodiment magazine generalized section
Fig. 3 is shown as the circuit block diagram of embodiment hsempdiakysing systems blood leakage detector
Fig. 4 is shown as embodiment hsempdiakysing systems blood leakage detector operational flow diagram
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 4.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of this utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that this utility model can produce and the object that can reach, still all should drop on technology contents that this utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of this utility model.
Hsempdiakysing systems blood leakage detector as shown in Figure 1, comprising:
For clamping the magazine 1 of Dialysis tubing, comprising relative first wall 11 and second that is in the light and to be in the light wall 12.
Penetrate light straight channel 2, be located at first and be in the light in wall 11, one end open is in the light in first the inwall 111 of wall.Penetrate light straight channel for guaranteeing that the light of constant basis injects Dialysis tubing with beam pattern, and prevent surround lighting from changing the interference caused.Described to penetrate light straight channel diameter not easily excessive, and can be such as straight hole road, orifice throat length can be 2-5mm.
Photosensitive straight channel 3, is located at second and is in the light in wall 12, and one end open is in the light in second the inwall 121 of wall, described in penetrate light straight channel 2 and be located along the same line with the central shaft of described photosensitive straight channel 3.Photosensitive straight channel also can prevent surround lighting from changing the interference caused the light of transmission Dialysis tubing.Described photosensitive straight channel diameter is not easily excessive, and can be such as straight hole road, orifice throat length can be 2-5mm.
White light source 4, is located at first and is in the light in wall 11, and just penetrates light straight channel 2 to described;
Color sensor 5, is located at second and is in the light in wall 12, as shown in Figure 3, is transferred to the light of photosensitive straight channel 3 for receiving and exports three primary colours square-wave signal from described white light source 4;
Control device 6, for receiving three primary colours square-wave signal and sending alarm command.
As the preferred embodiment of this utility model, described magazine 1 as shown in Figure 2, is provided with the U-shaped groove 13 that can clamp Dialysis tubing, and described first wall 11 and second that is in the light is in the light two sidewalls of wall 12 respectively corresponding described U-shaped groove 13.The recess side wall of described U-shaped groove is U-shaped, and top is opened wide, and is convenient to placement and the taking-up of Dialysis tubing 7.
Further, penetrate light straight channel 2 to be positioned at the first be in the light opening on inner wall and photosensitive straight channel 3 and to be positioned at the second opening be in the light on inner wall all near the bottom of described U-shaped groove.This design, can guarantee that, when Dialysis tubing is held on U-shaped bottom portion of groove, light can pass through Dialysis tubing.When Dialysis tubing is fixing, the opening of the opening and photosensitive straight channel of penetrating light straight channel is not limited to the bottom of described U-shaped groove.
As the preferred embodiment of this utility model, as shown in Figure 1, described first is in the light in wall 11 is provided with light source darkroom 8, and described white light source 4 is arranged in described light source darkroom 8, and described light source darkroom 8 is communicated with described light straight channel 2 of penetrating.Preferably, described light source darkroom is mated with white light source size.Described light source darkroom is good just to put into white light source.
Described light source darkroom 8 is except except penetrating light straight channel 2 and communicating, and remainder is all isolated with extraneous light.All can realize light isolation with shading wall, the part that other devices also can be used as shading wall as circuit board participates in light isolation, such as, circuit board is inserted the cavity 10 in Fig. 2.This design can get rid of ambient light interference further.
It will be appreciated by those skilled in the art that described white light source 4 should connect power supply.As the preferred example of this utility model, described white light source 4 connects power supply through mu balanced circuit.
Mu balanced circuit can adopt existing mu balanced circuit or voltage-stabilizing device, as stabilivolt.The employing of mu balanced circuit can obtain constant current, and the 15mA constant current source formed as adopted accurate stabilivolt is powered to white light source, makes white light source produce lightness stabilized white light, thus for leak blood examination survey comparison and judgement good basis is provided.
Described white light source 4 can be white light-emitting diode or white bulb.White light source needs to ensure that brightness is constant in patient's use procedure.For obtaining better degree of stability and reducing power consumption, preferably, be white light-emitting diode, better, adopt white high stability light emitting diode.
As the preferred embodiment of this utility model, as shown in Figure 1, described second is in the light in wall 12 is provided with color sensor darkroom 9, and described color sensor 5 is placed in described color sensor darkroom, and described color sensor darkroom is communicated with described photosensitive straight channel 3.Further, described color sensor darkroom is mated with color sensor size.Described color sensor darkroom is good just to put into color sensor.
Described color sensor darkroom 9 is except communicating with photosensitive straight channel 3, and remainder is all isolated with extraneous light.All can realize light isolation with shading wall, the part that other devices also can be used as shading wall as circuit board participates in light isolation, such as, circuit board is inserted the cavity 10 in Fig. 2.
Described color sensor 5 comprises photosensitive window, and described photosensitive window is just to described photosensitive straight channel 3.
Described color sensor 5 can be selected from TCS3200, TCS3210 or TCS230.Preferably, select color sensor TCS3200, this color sensor is integrated with configurable silicon photoelectric diode and red (R), green (G), blue (B) three kinds of primary colours light filters and current frequency converter, the RGB tristimulus signals of light can be converted to the Transistor-Transistor Logic level square-wave signal of frequency 2Hz-500kHz, realize the accuracy of detection of each chrominance channel binary one more than 0.This square-wave signal directly and interface microcontroller, can not need the analog circuit such as amplifier, wave filter, does not need A/D converter yet.Owing to detecting and changing without the need to external reference signal, so use debugging very convenient.
It will be appreciated by those skilled in the art that described color sensor 5 should connect power supply.
As an embodiment of the present utility model, described control device 6 comprises:
For obtaining the unit of the regulation coefficient based on blank level adjustment;
For based on regulation coefficient, the frequency values of actual measurement three primary colours square-wave signal is converted to white balance the unit of the relative rgb value being benchmark;
For by relative rgb value photograph to the unit of HSL value, described relative HSL value is any one or more among relative chromatic value, relative saturation angle value and relative brightness value;
For storing or set the unit of Lou blood threshold value; Described leakage blood threshold value obtains by the relative HSL value detected under critical leakage blood state, and leaking blood threshold value can be one or more in relative H-number, L-value or R value under critical leakage blood state.Preferably, the relative H-number under critical leakage blood state is at least comprised.
For relative HSL value being compared with leakage blood threshold value, produce the unit of alarm command when relative HSL value exceeds and leaks blood threshold value.
The described regulation coefficient based on blank level adjustment is, be defined as most brilliant white at the frequency values determining not leak the three primary colours square-wave signal that the dialysis solution pipeline of blood detects, thus learn the regulation coefficient of the relative white balance of frequency values of actual measurement three primary colours square-wave signal.
Regulation coefficient can utilize existing white balance parameter method of adjustment to obtain.
In addition, following formula (1) also can be adopted to realize:
In formula (1), f
rW, f
gW, f
bWthe frequency values of the red, green, blue three primary colours recorded when being respectively blank level adjustment.Blank level adjustment be each detect start before, determining that the detected value do not leaked on the dialysis solution pipeline of blood is defined as the process of most brilliant white.Definition color is now for most brilliant white and corresponding tristimulus value is all 255, with 255 respectively therewith three frequency values be divided by, obtain the regulation coefficient S of three primary colours
r, S
g, S
b.This is that after this color sensor detects the benchmark of relative most brilliant white, and (such as in patient's seance time) must be relatively stable within a certain period of time for this benchmark, otherwise will be unfavorable for leaking that blood examination surveys is reliable and stable.
It is that the relative rgb value of benchmark obtains by the frequency values of actual measurement three primary colours square-wave signal is multiplied by regulation coefficient that the frequency values of actual measurement three primary colours square-wave signal is converted to white balance, as by formula (2) conversion.
R＝S
Rf
R,G＝S
Gf
G,B＝S
Bf
B(2)
In formula (2), f
r, f
g, f
bbe respectively the frequency values of actual measurement red, green, blue three primary colours square wave, they obtain three relative primary color values R, G, B of now light transmission capacity after being multiplied by regulation coefficient respectively, i.e. relative rgb value.
Relative rgb value being converted to relative HSL value can adopt the reduction formula in prior art, rgb value being converted to HSL value to realize.
Concrete, following (3)-(7) formula can be adopted to realize:
Wherein, H is colourity, and S is saturation, and L is brightness.Utilize formula (3)-(7) relative primary color values R, G, B can be converted to colourity (H), saturation (S) and brightness (L) value.
Through above-mentioned formula, acquisition be take white balance as the relative RGB of benchmark and relative HSL value.
Further improvement, described control device 6 also can comprise:
For getting rid of the unit of the mean filter of minute bubbles interference.
Get rid of minute bubbles interference mean filter and can adopt prior art.
Further improvement, described control device 6 is also connected with white light source, matches, also comprises further:
For judging white light source fault and sending the unit of alarm command when white light source fault.
Described control device 6 can be single-chip microcomputer, and single-chip microcomputer can be 8 minimum systems.Described control device also can select different brands and model, or the more controller of seniority top digit or processor.
Those skilled in the art all understand,. obtain the computational process of the regulation coefficient based on blank level adjustment as above, obtain taking white balance as the relative RGB of benchmark and the computational process of relative HSL value, get rid of the process of minute bubbles interference mean filter, and for judging white light source fault and sending the process of alarm command when white light source fault, computer of the prior art, integrated circuit modules, PLD, other hardware or existing software module all can be utilized to realize.
As this utility model one preferred embodiment, as shown in Figure 3, described control device 6 is connected with communication interface 14.Concrete, described communication interface can be RS232, USB, RS422, RS485, I
2the communication interfaces such as C.The Transistor-Transistor Logic level signal of 0-5V is converted to about by RS232 communication interface chip ± the RS232 level signal of 12V, this communication interface make this detector can with host computer interface communication, testing result and warning message are uploaded, also can accept the management of host computer.
For making the compact conformation of hsempdiakysing systems blood leakage detector, described control device 6 can be embedded on described magazine.Further, accessible site is embedded in described second and is in the light on wall 12 in circuit board.
As an embodiment of the present utility model, blood leakage detector also can comprise alarm device further, the alarm command of described alarm device receiving control device.Described alarm device can use various conventional alarm device, and described alarm device can be parts of this utility model hsempdiakysing systems blood leakage detector.Hsempdiakysing systems blood leakage detector of the present utility model also can be free of alarm device, and is only sent to by alarm command the alarm device of hsempdiakysing systems to warn.
As a detailed description of the invention of the present utility model, this utility model can carry out leakage blood examination by flow and method shown in Fig. 4 and survey.Wherein mainly contain blank level adjustment and actual detection leakage blood two handling processes.Operator, according to different detected objects, selects different input commands, and then calls different handling processes.The detection that the mean filter process getting rid of minute bubbles interference is included in repeatedly is leaked among blood flow journey.In addition, after white balance flow process, also has a self-inspection flow process judging LED fault.Its foundation is current absolute brightness---RGB frequency, thus determine whether LED is aged to a certain degree or does not work, and determine whether to report to the police.
The Main Basis that this utility model leakage blood judges is that the change of relative HSL exceedes predetermined threshold value.Because white balance benchmark is relatively stable, so the relative HSL change recorded on this basis is just only relevant to the haemoconcentration that leakage blood causes.Leaking blood threshold value is the HSL relative increment on white balance basis, and the factor such as absolute brightness, Dialysis tubing light transmittance of its value and LED has nothing to do.Therefore, it can during fabrication, single-time measurement in advance under the conditions such as certain LED luminance.The standard value of leaking blood threshold value can be determined by carrying out measurement to standard specimen.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting this utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that this utility model discloses, must be contained by claim of the present utility model.
Claims (17)
1. a hsempdiakysing systems blood leakage detector, is characterized in that, comprising:
For clamping the magazine (1) of Dialysis tubing, comprising relative first wall (11) and second that is in the light and to be in the light wall (12);
Penetrate light straight channel (2), be located at first and be in the light in wall (11), one end open is in the light on the inwall (111) of wall in first;
Photosensitive straight channel (3), being located at second is in the light in wall (12), one end open is in the light on the inwall (121) of wall in second, described in penetrate light straight channel (2) and described photosensitive straight channel (3) central shaft be located along the same line;
White light source (4), is located at first and is in the light in wall (11), and just penetrates light straight channel (2) to described;
Color sensor (5), is located at second and is in the light in wall (12), is transferred to the light of described photosensitive straight channel (3) for receiving and exports three primary colours square-wave signal from described white light source (4);
Control device (6), for receiving three primary colours square-wave signal and sending alarm command.
2. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described magazine (1) is provided with U-shaped groove (13), and described first wall (11) and second that is in the light is in the light two sidewalls of wall (12) respectively corresponding described U-shaped groove (13).
3. hsempdiakysing systems blood leakage detector as claimed in claim 1, is characterized in that, described in penetrate light straight channel (2) and photosensitive straight channel (3) is straight hole road, described straight orifice throat length is 2-5mm.
4. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described first is in the light in wall (11) is provided with light source darkroom (8), described white light source (4) is arranged in described light source darkroom (8), and described light source darkroom (8) is communicated with described light straight channel (2) of penetrating.
5. hsempdiakysing systems blood leakage detector as claimed in claim 1, is characterized in that, described white light source (4) connects power supply through mu balanced circuit.
6. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described white light source (4) is white light-emitting diode or white bulb.
7. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described second is in the light in wall (12) is provided with color sensor darkroom (9), described color sensor (5) is placed in described color sensor darkroom, and described color sensor darkroom is communicated with described photosensitive straight channel (3).
8. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described color sensor (5) comprises photosensitive window, and described photosensitive window is just to described photosensitive straight channel (3).
9. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described color sensor (5) is color sensor TCS3200, color sensor TCS3210 or color sensor TCS230.
10. hsempdiakysing systems blood leakage detector as claimed in claim 1, it is characterized in that, described control device (6) comprising:
For obtaining the unit of the regulation coefficient based on blank level adjustment;
For based on regulation coefficient, being converted to the frequency values of actual measurement three primary colours square-wave signal with white balance is the relative rgb value of benchmark
Unit;
For relative rgb value being converted to the unit of relative HSL value, described relative HSL value is any one or more among relative chromatic value, relative saturation angle value and relative brightness value;
For storing or set the unit of Lou blood threshold value;
For relative HSL value being compared with leakage blood threshold value, produce the unit of alarm command when relative HSL value exceeds and leaks blood threshold value.
11. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described control device (6) also comprises: for getting rid of the mean filter unit of minute bubbles interference.
12. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described control device (6) is connected with white light source (4), and also comprises: for judging white light source fault and sending the unit of alarm command when white light source fault.
13. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described control device (6) is single-chip microcomputer.
14. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described control device (6) is connected with communication interface (14).
15. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described communication interface (14) is selected from communication interface RS232, communication interface USB, communication interface RS422, communication interface RS485 or communication interface I
2c.
16. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described control device (6) is embedded on described magazine (1).
17. hsempdiakysing systems blood leakage detectors as claimed in claim 1, it is characterized in that, described hsempdiakysing systems blood leakage detector also comprises alarm device, is connected with described control device (6), for the alarm command that receiving control device (6) sends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520311510.0U CN204655616U (en) | 2015-05-14 | 2015-05-14 | Hsempdiakysing systems blood leakage detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520311510.0U CN204655616U (en) | 2015-05-14 | 2015-05-14 | Hsempdiakysing systems blood leakage detector |
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| CN204655616U true CN204655616U (en) | 2015-09-23 |
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| CN201520311510.0U Expired - Fee Related CN204655616U (en) | 2015-05-14 | 2015-05-14 | Hsempdiakysing systems blood leakage detector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303400A (en) * | 2016-04-18 | 2017-10-31 | B·布莱恩·阿维图姆股份公司 | Light shield and the disposable external member for being provided with light shield for sensor |
| CN109349705A (en) * | 2018-10-25 | 2019-02-19 | 泉州医学高等专科学校 | With the johnny for sensing moist function |
| CN110269969A (en) * | 2019-06-26 | 2019-09-24 | 北京健帆医疗设备有限公司 | Leak blood detection method, leakage blood detection device and computer readable storage medium |
| CN110694129A (en) * | 2019-09-06 | 2020-01-17 | 广东宝莱特医用科技股份有限公司 | Blood detection device and method |
| CN111141468A (en) * | 2018-11-02 | 2020-05-12 | 健帆生物科技集团股份有限公司 | Blood leakage detection device, detection circuit thereof, and blood leakage detection method |
| CN111442882A (en) * | 2020-04-03 | 2020-07-24 | 中国科学院电工研究所 | Digital blood leakage sensor |
| CN113424036A (en) * | 2019-02-07 | 2021-09-21 | 费森尤斯医疗护理德国有限责任公司 | Simulation model for simulating a hose line of a blood leak detector and method for testing a blood leak detector |
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2015
- 2015-05-14 CN CN201520311510.0U patent/CN204655616U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303400A (en) * | 2016-04-18 | 2017-10-31 | B·布莱恩·阿维图姆股份公司 | Light shield and the disposable external member for being provided with light shield for sensor |
| CN107303400B (en) * | 2016-04-18 | 2021-07-16 | B·布莱恩·阿维图姆股份公司 | Light shield for a sensor and disposable set provided with a light shield |
| CN109349705A (en) * | 2018-10-25 | 2019-02-19 | 泉州医学高等专科学校 | With the johnny for sensing moist function |
| CN111141468A (en) * | 2018-11-02 | 2020-05-12 | 健帆生物科技集团股份有限公司 | Blood leakage detection device, detection circuit thereof, and blood leakage detection method |
| CN113424036A (en) * | 2019-02-07 | 2021-09-21 | 费森尤斯医疗护理德国有限责任公司 | Simulation model for simulating a hose line of a blood leak detector and method for testing a blood leak detector |
| CN110269969A (en) * | 2019-06-26 | 2019-09-24 | 北京健帆医疗设备有限公司 | Leak blood detection method, leakage blood detection device and computer readable storage medium |
| CN110694129A (en) * | 2019-09-06 | 2020-01-17 | 广东宝莱特医用科技股份有限公司 | Blood detection device and method |
| CN111442882A (en) * | 2020-04-03 | 2020-07-24 | 中国科学院电工研究所 | Digital blood leakage sensor |
| CN111442882B (en) * | 2020-04-03 | 2022-04-19 | 中国科学院电工研究所 | Digital blood leakage sensor |
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