CN205246501U - Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure - Google Patents
Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure Download PDFInfo
- Publication number
- CN205246501U CN205246501U CN201521070959.9U CN201521070959U CN205246501U CN 205246501 U CN205246501 U CN 205246501U CN 201521070959 U CN201521070959 U CN 201521070959U CN 205246501 U CN205246501 U CN 205246501U
- Authority
- CN
- China
- Prior art keywords
- circuit
- calcination
- high pressure
- jewel
- micropore
- 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.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model is suitable for a medical detection device field provides a stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure, it includes control chip, high -pressure firing unit and precious stone micropore electrode to arrange stifled system, high pressure firing unit includes high -pressure firing control circuit, high -pressure generating circuit, high -pressure break -make circuit, high -pressure equalizer circuit, firing / measurement switching circuit, high -pressure equalizer circuit is connected to the firing end of firing / measurement switching circuit, it is used for detecting still to be connected with micropore voltage detection circuit between the measuring junction of firing / measurement switching circuit and the control chip voltage difference between the precious stone micropore electrode. The utility model discloses a micropore voltage detection circuit converts precious stone micropore chocking -up degree to electric signal transmission and gives control chip, and control chip is according to this electricity signal control high pressure break -make circuit and high -pressure equalizer circuit for the mipor firing voltage of precious stone is balanced, and the firing process is intelligent, and the stifled effect of row is good, the difficult plug -hole that takes place.
Description
Technical field
The utility model belongs to medical treatment detection device field, relates in particular to a kind of intelligent equalization formula high pressure calcination rowStifled system and cellanalyzer.
Background technology
At present cellanalyzer is at the cell in blood during as red blood cell, blood platelet and white blood cell count(WBC),The normal electrical impedance method counting that adopts, its counting principle is: when the quantitative sample of drawing is by quantitative conducting solution instituteAfter dilution, be just sent to the detecting unit of analyzer, on the jewel of detecting unit, have a micropore, be called for shortJewel micropore, there is a pair of positive and negative electrode aperture both sides, connect constant-current supply. Because haemocyte has badThe characteristic of conductor, certain haemocyte in diluted sample under the effect of negative pressure system by jewel micropore timeWait, interelectrode D.C. resistance will change, thereby forms a same haemocyte of amplitude at electrode two endsThe pulse that volume is in proportion. In the time that a group haemocyte passes through jewel micropore continuously, will be at electrode two endsProduce a series of electric pulse. The number of pulse is suitable with the haemocyte quantity by jewel micropore, pulseAmplitude is directly proportional to the volume of cell.
Jewel micropore belongs to very accurate and very important structure in cellanalyzer, and, jewelIt is unobstructed that micropore must remain in the counting process of cellanalyzer, if surrounding environment falls into countingIt is thin from blood that condensation product in the materials such as the dust in specimen cup, blood sample, jewel micropore are around piled upThe factors such as born of the same parents' protein matter cause jewel blockage of the micro orifice, will affect to some extent blood count function,Affect the accuracy of cellanalyzer counting, use at present high pressure calcination jewel micropore mode to carry out unimpededCellanalyzer, percentage of plugged hole is 2%~4%.
In prior art, (burn owing to being applied to the calcination voltage of cellanalyzer jewel micropore and calcination intensityThe burning time) fix, can not adjust according to the size of jewel micropore and chocking-up degree, cause treasuredThe calcination intensity of stone micropore or excessive, or too small, the excessive jewel of easily burning, has shortened jewelIn service life, the too small unimpeded poor effect that makes jewel micropore, is easy to occur plug-hole.
Utility model content
The utility model embodiment provides a kind of intelligent equalization formula high pressure calcination unimpeded system, is intended to solve existingThe calcination intensity of technology can not be adjusted according to the size of jewel micropore and chocking-up degree, causes jewel micro-The calcination intensity in hole or excessive, has shortened service life of jewel, or too small, makes jewel microporeUnimpeded poor effect, is easy to occur the problem of plug-hole.
The utility model embodiment is achieved in that a kind of intelligent equalization formula high pressure calcination unimpeded system,
The high pressure calcination unit that comprises control chip, be connected with described control chip and connect described high pressureCalcination unit is used for measuring the jewel micro-porous electrode of haemocyte resistance, wherein,
Described high pressure calcination unit comprises high pressure calcination control circuit, high-pressure generating circuit, burns with described high pressureBurn the control circuit high pressure on-off circuit that is connected with high-pressure generating circuit, be connected with described high pressure on-off circuitRegulate calcination voltage on described jewel micro-porous electrode high pressure equalizing circuit, with described high pressure calcination control circuitCalcination/measurement the commutation circuit being connected with high pressure equalizing circuit;
Described calcination/measurement commutation circuit comprises calcination end, measuring junction and jewel micropore end, described jewelMicropore end connects described jewel micro-porous electrode, and the calcination end of described calcination/measurement commutation circuit connects described high pressureEqualizing circuit, when calcination, described calcination end is communicated with described jewel micropore end, when measurement, described measuring junctionBe communicated with described jewel micropore end;
Between the measuring junction of described calcination/measurement commutation circuit and described control chip, be also connected with micropore voltageTesting circuit is for detection of the voltage difference between described jewel micro-porous electrode.
Further, described micropore voltage detecting circuit comprise impedance matching circuit, signal conditioning circuit, mould/Number conversion circuit, data transmission circuit;
The input of described impedance matching circuit connects the measuring junction of described calcination/measurement commutation circuit, described resistanceThe output of anti-match circuit connects the input of described signal conditioning circuit, described signal conditioning circuit defeatedGo out the input that end connects described mould/number conversion circuit, the output of described mould/number conversion circuit connects described numberAccording to the input of transmission circuit, the output of described data transmission circuit connects the input of described control chip.
Further, described jewel micropore is red blood cell passage jewel micropore and leucocyte passage jewel micropore.
Further, described high pressure equalizing circuit output voltage is 70~110V.
Further, described control chip is also connected with man-machine interaction unit for manually the described intelligence of control is equalWeighing apparatus formula high pressure calcination unimpeded system.
Further, described jewel micro-pore diameter is 60~100um.
The utility model embodiment also provides a kind of cellanalyzer, wherein, and described cellanalyzer bagContaining above-mentioned intelligent equalization formula high pressure calcination unimpeded system.
The intelligent equalization formula high pressure calcination unimpeded system of the utility model embodiment, arranges by jewel micropore placeMicropore voltage detecting circuit and high pressure on-off circuit and high pressure equalizing circuit, micropore voltage detecting circuit is by treasuredStone micropore size and chocking-up degree convert the signal of telecommunication to and send to control chip, and control chip is according to this signal of telecommunicationControl high pressure on-off circuit and high pressure equalizing circuit, adjust the calcination voltage and the calcination that are applied on jewel microporeIntensity, makes the calcination electric voltage equalization of jewel micropore, and the intellectuality of calcination process, makes the unimpeded of jewel microporeEffect is good, is difficult for plug-hole occurs, and has extended the service life of jewel simultaneously.
Brief description of the drawings
Fig. 1 is the module composition of the intelligent equalization formula high pressure calcination unimpeded system that provides of the utility model embodimentSchematic diagram;
Fig. 2 is the module group of the intelligent equalization formula high pressure calcination unimpeded system that provides of the utility model embodiment bis-Become schematic diagram.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawingAnd embodiment, the utility model is further elaborated. Should be appreciated that described herein concreteEmbodiment is only in order to explain the utility model, and is not used in restriction the utility model.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it canDirectly on another element or may have centering elements simultaneously. Be known as and " connect when an elementIn " another element, it can be directly connected to another element or may have centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment, onlyBe relative concept or taking the normal operating condition of product as reference each other, there is limit and should not be regarded asProperty processed.
As shown in Figure 1, a kind of intelligent equalization formula high pressure calcination unimpeded system that the utility model embodiment provides,
Described in the high pressure calcination unit 2 that comprises control chip 1, be connected with described control chip 1 and connectionHigh pressure calcination unit 2 is for measuring the jewel micro-porous electrode 3 of haemocyte resistance, at the utility model embodimentIn, control chip adopts the CPU of ARM architectural framework, to reach the requirement of strength of calcination control, meanwhile,Corresponding with the described control chip control operation software platform that is designed with, for arranging the initial or fortune of systemParameter in row process, jewel micro-porous electrode is positive and negative two electrodes, wherein,
Described high pressure calcination unit 1 comprise high pressure calcination control circuit 11, high-pressure generating circuit 12, with described inHigh pressure on-off circuit 13 that high pressure calcination control circuit 11 is connected with high-pressure generating circuit 12, with described high pressureThe high pressure equalizing circuit 14 of calcination voltage on the described jewel micro-porous electrode 3 of adjusting that on-off circuit 13 connects,Calcination/measurement the commutation circuit 15 being connected with described high pressure calcination control circuit 11 and high pressure equalizing circuit 14,Described high-pressure generating circuit needed voltage during for generation of calcination, is generally 110V left and right, and high pressure burnsClosure and the disconnection of burning control circuit control high pressure on-off circuit, closed time length has determined high pressure equilibriumThe duration of calcination voltage on circuit, and control the calcination intensity on jewel micropore; High pressure equalizing circuit energyEnough automatically distribute according to the diameter of jewel micropore the size that is applied to voltage on jewel micropore, be generally70~110V, the calcination voltage that what jewel micro-pore diameter was large apply is little, and what what jewel micro-pore diameter was little applied burnsBurning voltage is large;
Described calcination/measurement commutation circuit 15 comprises calcination end 151, measuring junction 152 and jewel micropore end153, described jewel micropore end 153 connects described jewel micro-porous electrode 3, described calcination/measurement commutation circuitCalcination end 151 connects described high pressure equalizing circuit 14, and when calcination, described calcination end 151 is micro-with described jewelNose end 153 is communicated with, and when measurement, described measuring junction 152 is communicated with described jewel micropore end 153, calcination/Measure commutation circuit for the intelligent equalization formula high pressure calcination unimpeded system of the utility model embodiment is switched toCalcination or measurement pattern. Measurement pattern is in the time measuring, and high pressure on-off circuit disconnects, and calcination/measurement is switchedThe measuring junction 152 of circuit is communicated with jewel micropore end 153, the calcination end of calcination/measurement commutation circuit 151 withJewel micropore end 153 disconnects, and now, system can be carried out the measurement of blood count and measure jewel micro-Voltage difference between pore electrod both positive and negative polarity, then main control chip arranges high pressure on-off circuit according to this voltage differenceService time in the time of calcination pattern is controlled the calcination intensity of jewel micropore; Calcination pattern in the time of calcination,High pressure on-off circuit closure, the calcination end 151 of calcination/measurement commutation circuit connects with described jewel micropore end 153Logical, measuring junction 152 and the jewel micropore end 153 of calcination/measurement commutation circuit disconnect, and now, high pressure occursThe calcination voltage that circuit produces is by high pressure on-off circuit, high pressure equalizing circuit and calcination/measurement commutation circuitCalcination end 151 be applied on the both positive and negative polarity of jewel micropore, jewel micropore is carried out to calcination, carry out unimpeded behaviourDo;
Between the measuring junction 152 of described calcination/measurement commutation circuit and described control chip 1, be also connected with microporeVoltage detecting circuit 4 is for detection of the voltage difference between described jewel micro-porous electrode 3, jewel micro-porous electrode 3Between voltage difference represented jewel blockage of the micro orifice degree, micropore voltage detecting circuit 4 is by this voltage differential signalAfter impedance matching, signal condition, mould/number conversion, be sent to control chip, control chip is according to differentVoltage difference is controlled the make-and-break time of high pressure on-off circuit, simultaneously in conjunction with high pressure equalizing circuit in advance according to jewelThe calcination voltage swing that micro-pore diameter arranges, controls the calcination intensity of jewel intelligently, reasonably calcination intensityMake the unimpeded of jewel micropore respond well, improved unimpeded efficiency, make percentage of plugged hole from present 2%~4%Drop to below 0.5%, simultaneously according to the calcination voltage of the jewel micro-pore diameter reasonable distribution jewel of can not burning,Extend the service life of jewel, saved the operation and maintenance cost of cellanalyzer.
Specific implementation step of the present utility model and process are as follows:
S1, high pressure equalizing circuit is preset the calcination voltage swing corresponding with jewel micro-pore diameter;
S2, the control operation software based on control chip is cut by high pressure calcination control circuit control calcination/measurementChange circuit and be switched to measurement pattern;
S3, control chip obtains the voltage difference of jewel micropore both sides from micropore voltage detecting circuit, to differentiate treasuredThe degree whether stone micropore stops up or stop up;
S4, control chip module is switched to bright by high pressure calcination control circuit control calcination/measurement commutation circuitBurning pattern;
S5, control chip is logical by high pressure calcination control circuit control high pressure according to the chocking-up degree of jewel microporeThe Lifetime of deenergizing and regulate high pressure to be delivered to the duration of high pressure equalizing circuit;
S6, high pressure equalizing circuit is applied to high pressure jewel micropore in this Lifetime, realizes specific calcinationThe burning of fulgerizing of intensity, the tamper of removing jewel micropore.
In the utility model embodiment, in the front and back of the each analysis of accounts of cellanalyzer, respectively carry out oneSub-high pressure calcination. Before measurement jewel micropore two electrode voltages are poor, first make the constant current of 1mA left and right wearCross jewel micropore, and then measure. In the time that jewel micropore is unimpeded, in jewel micropore, be only full of conduction rareRelease liquid, haemocyte depends on constant through this jewel micropore by the concrete numerical value of the voltage difference of jewel microporeThe electric conductivity of current value and dilution, is generally 10~24V left and right, once and have foreign matter all or part of stifledWhen plug jewel micropore, will cause above-mentioned voltage difference to raise to some extent. Before calcination jewel micropore, need first breakOpen the constant current of above-mentioned 1mA left and right; Calcination process general persistence is within the several seconds.
Concrete, as shown in Figure 2, in the utility model embodiment, described micropore voltage detecting circuit 4Comprise impedance matching circuit 41, signal conditioning circuit 42, mould/number conversion circuit 43, data transmission circuit 44;
The input of described impedance matching circuit 41 connects the measuring junction of described calcination/measurement commutation circuit 15,The output of described impedance matching circuit 41 connects the input of described signal conditioning circuit 42, described signalThe output of modulate circuit 42 connects the input of described mould/number conversion circuit 43, described mould/number conversion circuit43 output connects the input of described data transmission circuit 44, the output of described data transmission circuit 44End connects the input of described control chip 1;
Impedance matching circuit 41 improves from the through-put power of the voltage differential signal of the positive and negative extreme collection of jewel micropore,The decay of anti-stop signal, signal conditioning circuit 42 amplifies the voltage differential signal gathering, filtering, and then conversionThe analog signal of one-tenth standard, mould/number conversion circuit 43 converts voltage difference analog signal to data signal, entersProcess and be sent to control chip 1 by data transmission circuit 44.
In the utility model embodiment, described jewel micropore is that red blood cell passage jewel micropore and leucocyte are logicalRoad jewel micropore, is respectively arranged with red blood cell jewel micro-porous electrode 31 and leucocyte jewel on described jewel microporeMicro-porous electrode 32, can carry out respectively red blood cell and leukocytic takeoff, point jewel micropore electricity being arrangedThe jewel micropore of extremely corresponding different-diameter.
In the utility model embodiment, described high pressure equalizing circuit output voltage is 70~110 volts, energyAdapt to different calcination voltage requirements, obtain good unimpeded effect, can avoid again the jewel of burning simultaneously.
As an embodiment of the present utility model, described control chip be also connected with man-machine interaction unit forManually control described intelligent equalization formula high pressure calcination unimpeded system, manually control can be adjusted calcination intensity in time,Can, by manually better realizing unimpeded, also be convenient to debugging and the maintenance of unimpeded system simultaneously.
In the utility model embodiment, described jewel micro-pore diameter is 60~100um, and micro-pore diameter existsBetween 60~100um, be adapted to red blood cell and leukocytic volume size, be convenient to red blood cell and leucocyte by preciousStone micro channel.
The utility model embodiment also provides a kind of cellanalyzer, wherein, and described cellanalyzer bagContaining above-mentioned intelligent equalization formula high pressure calcination unimpeded system, make jewel micro-porous electrode two ends calcination voltage andCalcination intensity can carry out intelligence, balancedly regulate according to the size of jewel micropore and chocking-up degree.
Intelligent equalization formula high pressure calcination unimpeded system and cellanalyzer that the utility model embodiment provides,By micropore voltage detecting circuit and high pressure on-off circuit and high pressure equalizing circuit, micropore voltage detecting are setCircuit converts jewel micropore size and chocking-up degree to the signal of telecommunication and sends to control chip, control chip foundationThis signal of telecommunication control high pressure on-off circuit and high pressure equalizing circuit, adjust the calcination electricity being applied on jewel microporePress and calcination intensity, make the calcination process of jewel micropore can carry out intelligence, balancedly regulate unimpeded effectWell, be difficult for plug-hole occurs, improved unimpeded efficiency, the jewel of can not burning, has extended making of jewel simultaneouslyWith the life-span, save the operation and maintenance cost of cellanalyzer.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., all shouldWithin being included in protection domain of the present utility model.
Claims (7)
1. an intelligent equalization formula high pressure calcination unimpeded system, comprises control chip, connects with described control chipThe high pressure calcination unit connecing and to connect described high pressure calcination unit micro-for measuring the jewel of haemocyte resistancePore electrod,
It is characterized in that,
Described high pressure calcination unit comprises high pressure calcination control circuit, high-pressure generating circuit, burns with described high pressureBurn the control circuit high pressure on-off circuit that is connected with high-pressure generating circuit, be connected with described high pressure on-off circuitRegulate calcination voltage on described jewel micro-porous electrode high pressure equalizing circuit, with described high pressure calcination control circuitCalcination/measurement the commutation circuit being connected with high pressure equalizing circuit;
Described calcination/measurement commutation circuit comprises calcination end, measuring junction and jewel micropore end, described jewelMicropore end connects described jewel micro-porous electrode, and the calcination end of described calcination/measurement commutation circuit connects described high pressureEqualizing circuit, when calcination, described calcination end is communicated with described jewel micropore end, when measurement, described measuring junctionBe communicated with described jewel micropore end;
Between the measuring junction of described calcination/measurement commutation circuit and described control chip, be also connected with micropore voltageTesting circuit is for detection of the voltage difference between described jewel micro-porous electrode.
2. intelligent equalization formula high pressure calcination unimpeded system according to claim 1, is characterized in that instituteState micropore voltage detecting circuit and comprise impedance matching circuit, signal conditioning circuit, mould/number conversion circuit, dataTransmission circuit;
The input of described impedance matching circuit connects the measuring junction of described calcination/measurement commutation circuit, described resistanceThe output of anti-match circuit connects the input of described signal conditioning circuit, described signal conditioning circuit defeatedGo out the input that end connects described mould/number conversion circuit, the output of described mould/number conversion circuit connects described numberAccording to the input of transmission circuit, the output of described data transmission circuit connects the input of described control chip.
3. intelligent equalization formula high pressure calcination unimpeded system according to claim 2, is characterized in that instituteStating jewel micropore is red blood cell passage jewel micropore and leucocyte passage jewel micropore.
4. intelligent equalization formula high pressure calcination unimpeded system according to claim 3, is characterized in that instituteStating high pressure equalizing circuit output voltage is 70~110V.
5. intelligent equalization formula high pressure calcination unimpeded system according to claim 4, is characterized in that instituteState control chip and be also connected with man-machine interaction unit for manually controlling described intelligent equalization formula high pressure calcination unimpededSystem.
6. intelligent equalization formula high pressure calcination unimpeded system according to claim 5, is characterized in that instituteStating jewel micro-pore diameter is 60~100um.
7. a cellanalyzer, is characterized in that, described cellanalyzer comprises as claim 1To the intelligent equalization formula high pressure calcination unimpeded system described in 6 any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521070959.9U CN205246501U (en) | 2015-12-21 | 2015-12-21 | Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521070959.9U CN205246501U (en) | 2015-12-21 | 2015-12-21 | Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205246501U true CN205246501U (en) | 2016-05-18 |
Family
ID=55945574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201521070959.9U Active CN205246501U (en) | 2015-12-21 | 2015-12-21 | Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205246501U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111239027A (en) * | 2020-01-22 | 2020-06-05 | 深圳市锦瑞生物科技有限公司 | Blood particle detection method and blood analyzer |
CN114062228A (en) * | 2020-08-07 | 2022-02-18 | 北京鑫骥金诺医疗器械有限公司 | Bacteria counting device with sheath flow impedance sensor and method thereof |
-
2015
- 2015-12-21 CN CN201521070959.9U patent/CN205246501U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111239027A (en) * | 2020-01-22 | 2020-06-05 | 深圳市锦瑞生物科技有限公司 | Blood particle detection method and blood analyzer |
CN114062228A (en) * | 2020-08-07 | 2022-02-18 | 北京鑫骥金诺医疗器械有限公司 | Bacteria counting device with sheath flow impedance sensor and method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203798886U (en) | Current sampling circuit | |
CN205427102U (en) | Current transformer polarity high speed tester | |
CN103176047B (en) | A kind of device for measuring accumulator internal resistance | |
CN205246501U (en) | Stifled system and hematology analyzer are arranged in firing of balanced formula of intelligence high pressure | |
CN106604458B (en) | Detectable LED string opens the constant current source drive device and method of short circuit | |
CN104597414A (en) | Signal lamp or street lamp parameter detection electric method | |
CN206505161U (en) | A kind of new and effective key-press status detection circuit | |
CN206832925U (en) | A kind of socket test circuit | |
CN207067322U (en) | A kind of multi-channel artificial cochlea wire electrode coating insulation performance detecting system | |
CN106526439A (en) | Adjustable high-voltage pulse type battery pole plate insulating property detecting system | |
CN203941126U (en) | Semiconductor gas sensor array measurement system | |
CN103163492B (en) | A kind of circuit aging for lamp light source | |
CN210155267U (en) | Relay detection equipment | |
CN205880059U (en) | Inside insulation resistance's of thin -film solar cell testing arrangement | |
CN105159380B (en) | Multi-channel separation constant voltage and flow source | |
CN202929178U (en) | Battery measuring plate of intelligent control device | |
CN208672715U (en) | A kind of Estimate of Resistance for DC Low Resistance monitoring system that multichannel is tested simultaneously | |
CN210037977U (en) | Measuring circuit and testing equipment for contact resistance of quick-change connector and electric automobile | |
CN106877441A (en) | A kind of charging circuit and its charging method | |
CN210038124U (en) | Measuring circuit of contact resistance of quick-change connector and electric automobile | |
CN209513999U (en) | A kind of test device of nonpolarity stem grafting dot circuit | |
CN209215503U (en) | A kind of charger charge condition analoging detecting device | |
CN208384096U (en) | A kind of Partial discharge signal simulator with temperature measuring circuit | |
CN208092191U (en) | A kind of semiconductor cooler tester | |
CN207219102U (en) | A kind of back facet current adjustment circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Gao Zhiming Document name: Notification of qualified procedures |