CN103409316A - Constant temperature control system for blood bacterial culture instrument - Google Patents
Constant temperature control system for blood bacterial culture instrument Download PDFInfo
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- CN103409316A CN103409316A CN2013103689666A CN201310368966A CN103409316A CN 103409316 A CN103409316 A CN 103409316A CN 2013103689666 A CN2013103689666 A CN 2013103689666A CN 201310368966 A CN201310368966 A CN 201310368966A CN 103409316 A CN103409316 A CN 103409316A
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- control system
- culture instrument
- temperature
- bacteria culture
- thermostatic control
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- 239000008280 blood Substances 0.000 title claims abstract description 55
- 210000004369 blood Anatomy 0.000 title claims abstract description 55
- 230000001580 bacterial effect Effects 0.000 title abstract 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 241000894006 Bacteria Species 0.000 claims description 49
- 230000005855 radiation Effects 0.000 claims description 19
- 238000011065 in-situ storage Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000001012 protector Effects 0.000 description 5
- 238000009629 microbiological culture Methods 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
A constant temperature control system for a blood bacterial culture instrument comprises a signal processing control unit, a signal collector, a heating device and a cooling device, wherein the signal collector is used for collecting temperature in the blood bacterial culture instrument, a collected temperature signal is sent to the signal processing control unit, the working of the heating device and the cooling device is controlled according to the judged difference between a preset temperature value and a field temperature, so that the temperature in an incubator can be kept constant and also can get balanced in cooperation with mechanical devices. The constant temperature control system integrates the cooling and heating functions reasonably, and therefore the structure size is reduced and automatic control is realized; moreover, the system has an overtemperature protection function, is convenient to operate, and is safe and reliable.
Description
Technical field
A kind of thermostatic control system, especially for the thermostatic control system of blood bacteria culture instrument.
Background technology
The blood bacteria culture instrument is for carrying out constant temperature culture to clinical blood sample, so that hospital judges accurately to clinical samples.Thermostatic control system, for the blood bacteria culture instrument provides constant culture temperature, is a part of mechanism very important in blood bacteria culture instrument complete machine.
At present, the most domestic hospital clinical carries out the blood microbial culture, or carry out with manual mode, manual static is cultivated, the microbial growth situation detects by an unaided eye, the shortcoming such as have that microorganism growth is poor, incubation time is long, positive rate detects low, poor accuracy, and due to manual operation, pollution rate is higher.Seriously delay clinical treatment, far can not adapt to the needs of modern clinic medical treatment.
Application number is 201010609027.2 Chinese invention patent, a kind of thermostatically-controlled equipment is provided, comprise a temperature-control circuit, one ON-OFF control circuit and a heating control circuit, in described temperature-control circuit, establish some temperature preset values, described temperature-control circuit sends control signal according to corresponding temperature preset value, described ON-OFF control circuit comprises an input terminus, one output terminal and a control end, the input terminus of described ON-OFF control circuit receives a direct current voltage, described ON-OFF control circuit is via the control end reception control signal, described ON-OFF control circuit is exported described volts DS according to this control signal at output terminal, described heating control circuit receives this volts DS heating, the Heating temperature of the described heating control circuit of described temperature-control circuit detecting, and when the Heating temperature of described heating control circuit reaches the temperature preset value, control described ON-OFF control circuit and stop output dc voltage.Its advantage is the automatic control realized Heating temperature, simple in structure and cost is lower, and its defect thermostatically-controlled equipment only has heating control circuit, there is no radiating control circuit.
Summary of the invention
The present invention, according to the requirement of microbial culture for temperature, proposes a kind of thermostatic control system that is applied to the blood bacteria culture instrument.
Thermostatic control system for the blood bacteria culture instrument, comprise signal processing control unit, signal picker, heating unit and heat abstractor, utilize described signal picker to gather the temperature in the blood bacteria culture instrument, temperature signal is sent to described signal control processing unit, through the difference between judgement preset temperature value and in situ temperature, control the work of described heating unit and described heat abstractor, reach the purpose of homo(io)thermism in incubator, and coordinate some mechanisms, allow temperature in whole incubator reach balanced.
Preferably, described heating unit comprises hot-plate.
Preferably, described heating unit comprises and adds Hot-air fan in above-mentioned arbitrary scheme.
Preferably, described heating unit divides many groups in above-mentioned arbitrary scheme, and structure is symmetrically distributed.
In above-mentioned arbitrary scheme, preferably, between described heating unit and rocker, be distributed with the air deflector that warm air is spread from bottom to top.
Preferably, described heat abstractor comprises heat radiation air intake fan in above-mentioned arbitrary scheme
Preferably, described heat abstractor comprises heat radiation air-out fan in above-mentioned arbitrary scheme.
Preferably, described heat abstractor is installed on the rack of blood bacteria culture instrument in above-mentioned arbitrary scheme.
Preferably, described heat radiation air intake fan is positioned at the bottom of rack in above-mentioned arbitrary scheme.
Preferably, described heat radiation air-out fan is positioned at the top of rack in above-mentioned arbitrary scheme.
Preferably, described thermostatic control system comprises the input unit of inputting preset temperature value in above-mentioned arbitrary scheme.
Preferably, described thermostatic control system comprises the take-off equipment that shows preset temperature value and in situ temperature in above-mentioned arbitrary scheme.
Preferably, described temperature controlling system comprises the protector of protecting whole system with the high temperature power-down mode in above-mentioned arbitrary scheme.
Preferably, described temperature controlling system comprises the warning device after protector starts in above-mentioned arbitrary scheme.
Preferably, described signal processing control unit comprises the controller of judgement in situ temperature and preset temperature value difference in above-mentioned arbitrary scheme.
Preferably, described signal processing control unit comprises the storer of real-time storage in situ temperature and preset temperature value in above-mentioned arbitrary scheme.
Preferably, described signal processing control unit comprises the analog to digital converter that the in-site modeling temperature signal of collection is converted to numerary signal in above-mentioned arbitrary scheme.
Preferably, described signal processing control unit comprises heating control circuit and radiating control circuit in above-mentioned arbitrary scheme.
Preferably, described blood bacteria culture instrument comprises the physical structure that rocker is swung in above-mentioned arbitrary scheme.
Preferably, described signal picker adopts temperature sensor collecting temperature signal in above-mentioned arbitrary scheme.
The blood bacteria culture instrument comprises the swing type running gear, and the swing type running gear further comprises the mechanism that rocker, incubator and promotion rocker carry out the swing type motion.Rocker is for placing incubator, and incubator be take the transversely arranged mode as a group of two rows and put, and incubator is along with the swing type motion of rocker and swing, and makes the temperature of incubator even, realizes the Fast Growth of blood bacterium.
Existing temperature-control device; mostly heating can only be provided separately or heat radiation is provided separately; and bulky, the temperature control effect is unstable, and temperature fluctuation range is larger; thermostatic control system provided by the invention; to dispel the heat, and heat and carried out rational integratedly, and dwindle mechanism's volume, and can realize automatic control; possess simultaneously overheat protection function, easy to operate, safe, reliable.
The accompanying drawing explanation
Fig. 1 is the first example structure schematic diagram according to the thermostatic control system for the blood bacteria culture instrument.
Fig. 2 is the signal processing control unit structural representation according to a preferred embodiment of the thermostatic control system for the blood bacteria culture instrument.
Fig. 3 is the thermostatic control system application of Fig. 1 and first set bilge construction schematic diagram for the blood bacteria culture instrument.
Fig. 4 is the thermostatic control system application of Fig. 1 and second game's bilge construction schematic diagram for the blood bacteria culture instrument.
The thermostatic control system application of Fig. 5 Fig. 1 and the 3rd local structure schematic diagram for the blood bacteria culture instrument.
The thermostatic control system application of Fig. 6 Fig. 1 and the 4th local structure schematic diagram for the blood bacteria culture instrument.
The thermostatic control system application of Fig. 7 Fig. 1 and the 5th local structure schematic diagram for the blood bacteria culture instrument.
Fig. 8 is the structural representation according to the second embodiment of the thermostatic control system for the blood bacteria culture instrument.
Fig. 9 is the structural representation according to the 3rd embodiment of the thermostatic control system for the blood bacteria culture instrument.
In Fig. 3 to Fig. 6, numeral means respectively:
1 incubator 2 rockers
3 add Hot-air fan 4 hot-plates
5 heat radiation air intake fan 6 heat radiation air-out fans
7 signal control processing unit 8 temperature controlled switchs
9 air deflector 10 first rly.s
11 second rly. 12 wiring boards
13 terminal stud 14 head bearings
15 lower bearing 16 eccentric wheels
17 bearing connecting rod 18 rocker connecting rods
19 forks.
Embodiment
Many the present invention are described further below in conjunction with drawings and Examples, but not as limiting to the invention.
Fig. 1 provides the structural representation of the first embodiment of thermostatic control system, and Fig. 2 further provides the structural representation of the signal processing control unit of thermostatic control system.In addition, the thermostatic control system that has provided Fig. 1 in conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 is applied in the structural representation of blood bacteria culture instrument.Wherein, Fig. 3 is the local structure schematic diagram of blood bacteria culture instrument, Fig. 4 is Fig. 1 from the structural representation of the heating unit that provides the blood bacteria culture instrument, Fig. 5 is the structural representation of the swing type running gear of blood bacteria culture instrument, Fig. 6 is the structural representation of blood bacteria culture instrument rack, and Fig. 7 is the local structural graph of blood bacteria culture instrument rack.Fig. 8 and Fig. 9 are the structural representations of other two kinds of embodiment of thermostatic control system.
Embodiment 1:
As Fig. 1, provided a kind of structural representation of thermostatic control system, comprise by judgement preset temperature value and collection in worksite temperature difference and carry out temperature controlled signal processing control unit 110, the signal picker 120 of collection site signal, the heating unit 130 that adds warm air, give the heat abstractor 140 of blood bacteria culture instrument cooling, described preset temperature value is kept in signal processing control unit 110.
Wherein, signal picker 120, heating unit 130, heat abstractor 140 are connected with signal processing control unit 110 respectively.
During lower than preset temperature value, signal processing control unit 110 starts heating units 130 work when in situ temperature, and when when in situ temperature during higher than preset temperature value, signal processing control unit 110 starts heat abstractors 140 and works.
As Fig. 2, provided the structural representation of signal control processing unit 110, signal control processing unit 110 comprises the controller 210 of judgement in situ temperature signal and preset temperature value difference, for preserving the storer 220 of preset temperature value and in situ temperature, the analog temperature signal of collection is converted to the analog to digital converter 230 of numerary signal, for controlling the heating control circuit 240 of heating unit work, be used to the radiating control circuit 250 of controlling heat abstractor work.
Wherein, storer 220, radiating control circuit 250, heating control circuit 240 are connected with controller 210 respectively, and analog to digital converter 230 is connected with storer 220.
Its principle of work is as follows:
From the analog temperature signal of signal picker 120, after analog to digital converter 230 converts numerary signal to, be saved in storer 220.
Controller 210 judges that according to the signal of analog to digital converter 230 feedback temperature in the blood bacteria culture instrument is with the difference between default temperature value.Collecting temperature is lower than preset temperature value, and controller 210 is selected heating control circuit 240 work, and heating control circuit 240 starts again heating unit 130 to air heating.Collecting temperature is higher than preset temperature value, and controller 210 is selected radiating control circuit 250 work, and radiating control circuit 250 starts again heat abstractor 140 to the cooling of blood bacteria culture instrument.
Wherein, heating unit 130 comprises and adds Hot-air fan 3 and hot-plate 4, refers to the declaratives of Fig. 4.
Wherein, heat abstractor 140 comprises heat radiation air intake fan 5 and heat radiation air-out fan 6, refers to the declaratives of Fig. 6.
Below in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6, illustrate how above-mentioned thermostatic control system is applied to the blood bacteria culture instrument.Described blood bacteria culture instrument comprises swing type running gear, signaling control unit 110, heating unit 130 and heat abstractor 140.In application, the signal picker 120 of thermostatic control system adopts temperature sensor to realize, heating unit 130 is connected with the first rly. 10, and heat abstractor 140 is connected with the second rly. 11, and Fig. 5 is shown in by the rly. schematic diagram.
As shown in Figure 3, provided the structural representation of swing type running gear, heating unit 130 and signal processing control unit 7.The swing type running gear comprises rocker 2, incubator 1 and promotes the mechanism that rocker carries out the swing type motion.Rocker 2 is be used to placing incubator, and two rows of take laterally arrange incubator and put as the mode of a group, and incubator 1 swings along with the swing type motion of rocker 2, realizes the Fast Growth of blood bacterium.
The DC terminal of temperature sensor and rly. is received signal controlled processing unit 7 by electrical signal.Temperature sensor is a kind ofly can be transformed into temperature value the electronic component of magnitude of voltage, and temperature sensor is passed to analog to digital converter 230 to corresponding voltage according to the difference of the temperature of experiencing.The temperature sensor of collection site temperature signal is arranged on the circuit card of signaling control unit 7.
In addition, as shown in Figure 3, between rocker 2 and heating unit 130, air deflector 9 is installed, the catch that air guide hole can be opened or closed is installed on air deflector 9, when catch was opened, Open Side Down that certain angle of inclination is arranged for it.Air deflector is group more than 9 minutes, and the several air deflectors that laterally arrange are one group, and every group vertically is distributed in again between heating unit 130 and rocker 2.
With freezing air relatively, the density of warm air is less, can float for air after heating, and the catch downward by air deflector 9 upper sheds can allow warm air spread from bottom to top warm air to pressing down, and makes the temperature in the blood bacteria culture instrument even.
The mechanism of swing type motion shown in Figure 3 comprises eccentric wheel 16, head bearing 14, lower bearing 15, bearing connecting rod 17, rocker connecting rod 18, fork 19, eccentric wheel 16 is connected with bearing connecting rod 17 by lower bearing 16, bearing connecting rod 17 is connected with rocker connecting rod 18 by head bearing 14, rocker connecting rod 18 is connected with fork 19, by moving up and down with the motion of dynamic bearing connecting rod 17, rocker connecting rod 18 of eccentric wheel 16, thereby drive the swing type motion that the fork 19 be fixed on rocker connecting rod 18 is realized rocker.
Fig. 4 has provided the structural representation of heating unit, heating unit comprises and adds Hot-air fan 3 and hot-plate 4, add Hot-air fan 3 and hot-plate 4 composes in parallel heating unit 130, the air of hot-plate 4 circumference, add Hot-air fan 3 warm air is on every side blowed to air deflector 9, accelerated warm air flowing in whole blood bacteria culture instrument.Heating unit is group more than 130 minutes, becomes symmetrical distributed architecture.
One end of heating unit 130 is received on an ac terminal of the first rly. by electrical signal.
Fig. 5 provides the side structure schematic diagram of the swing type running gear arrived from the side.Thermostatic control system also comprises the first rly. 10, the second rly. 11, wiring board 12 and terminal stud 13, and wherein, terminal stud is positioned at the top of wiring board, for fastening connection terminal.
The other end of heating unit 130 and heat abstractor 140 is received respectively on two terminal studs 13 of wiring board 12.Another ac terminal of the first rly. 10 and the second rly. 11 is received respectively on the terminal stud 13 of wiring board 12.
As shown in Figure 6, provided the structural representation of heat abstractor 140 on the rack, heat abstractor 140 comprises heat radiation air intake fan 5 and heat radiation air-out fan 6, and heat radiation air intake fan 5 and heat radiation air-out fan 6 compose in parallel heat abstractor 140.Heat radiation air intake fan 5 is arranged on the bottom of rack, from the rack bottom, sucks outside freezing air, and heat radiation air-out fan 6 is arranged on rack top, discharges the warm air on blood microbial culture instrument top.。Such layout make radiating efficiency higher than the air intake fan upper air-out fan under structure.
One end of heat abstractor 140 is received on an ac terminal of the second rly. 11 by electrical signal, and the physical structure of fan is embedded on the rack of blood bacteria culture instrument.
In addition, the temperature controlled switch in Fig. 78 is for the protection of whole thermostatic control system.The two ends of temperature controlled switch 8 are received on the terminal stud 13 of wiring board 12 by electrical signal; the temperature of protection can be selected the temperature controlled switch 8 of different model as required; the maximum tolerable temperature of temperature controlled switch 8 of for example selecting is 55 ℃; temperature is being less than in 55 ℃ so, and the system normal operation, when temperature is greater than or equal to 55 ℃; temperature switch 8 disconnects; the power supply of cutting-off controlling signal, in order to avoid the electronic component that excess Temperature causes damages and unpredictable danger, play a protective role.
In addition, when occurring that operating system crashes, constant temperature system can not receive steering order, and temperature will continue to raise, and when being elevated to the overtemperature preset value, temperature controlled switch 8 will disconnect, and whole system quits work, thereby plays a protective role.
Embodiment 2:
As Fig. 8, provide the structural representation of the second thermostatic control system, on the basis of the first embodiment, also comprised the input unit 150 of inputting preset temperature value, the take-off equipment 160 of displaying scene temperature and preset temp value information.
Wherein, signal picker 120, heating unit 130, heat abstractor 140, input unit 150 and take-off equipment 160 are connected with signal processing control unit 110 respectively.
Input unit 150 can adopt keyboard entry method, touch-screen input or adopt the far-end computer input mode.
Input unit 160 can adopt the demonstration of LED digital lamp, liquid crystal display or touch-screen display mode.
Embodiment 3:
As Fig. 9, provide the 3rd embodiment for the thermostatic control system of blood bacteria culture instrument; warning device 170 and protector 180 on the basis of embodiment 2, have been increased; after controller 210 detects protector 180 startups; send alarm message, notify staff's thermostatic control system to cause closing due to high temperature or system problem.
Wherein, signal picker 120, heating unit 130, heat abstractor 140, input unit 150, take-off equipment 160, warning device 170 and protector 180 are connected with signal processing control unit 110 respectively.
Warning device 170 can adopt to blow a whistle and report to the police or audio alert.
Thermostatic control system provided by the invention, will dispel the heat, and heat and carried out rational integratedly, dwindle mechanism's volume, and can realize automatic control, possess simultaneously overheat protection function, easy to operate, safe, reliable.
Claims (10)
1. for the thermostatic control system of blood bacteria culture instrument, comprise signal processing control unit, signal picker and heating unit, it is characterized in that, also comprise heat abstractor, utilize described signal picker to gather the temperature in the blood bacteria culture instrument, temperature signal is sent to described signal control processing unit, through judging the poor of preset temperature value and in situ temperature, control the work of described heating unit and described heat abstractor, reach the purpose of homo(io)thermism in incubator, and coordinate some mechanisms, allow temperature in whole incubator reach balanced.
2. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heating unit comprises hot-plate.
3. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heating unit comprises and adds Hot-air fan.
4. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heating unit divides many groups, and structure is symmetrically distributed.
5. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, between described heating unit and rocker, is distributed with the air deflector that warm air is spread from bottom to top.
6. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heat abstractor comprises heat radiation air intake fan.
7. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heat abstractor comprises heat radiation air-out fan.
8. the thermostatic control system for the blood bacteria culture instrument according to claim 1, is characterized in that, described heat abstractor is installed on the rack of blood bacteria culture instrument.
9. the thermostatic control system for the blood bacteria culture instrument according to claim 6, is characterized in that, described heat radiation air intake fan is installed on the bottom of rack.
10. the thermostatic control system for the blood bacteria culture instrument according to claim 7, is characterized in that, described heat radiation air-out fan is installed on the top of rack.
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| CN201310368966.6A CN103409316B (en) | 2013-08-22 | 2013-08-22 | Constant temperature control system for blood bacterial culture instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368966.6A CN103409316B (en) | 2013-08-22 | 2013-08-22 | Constant temperature control system for blood bacterial culture instrument |
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| CN103409316A true CN103409316A (en) | 2013-11-27 |
| CN103409316B CN103409316B (en) | 2015-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086537A1 (en) * | 2016-11-10 | 2018-05-17 | 宁波华仪宁创智能科技有限公司 | Cell incubator and operating method thereof |
| CN113621482A (en) * | 2021-08-11 | 2021-11-09 | 林曙晓 | Food fermentation device |
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| CN2607373Y (en) * | 2003-02-26 | 2004-03-24 | 陈寅初 | Semi-automatic double-phase blood bacteria increasing apparatus |
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| CN103409316B (en) | 2015-01-07 |
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Effective date of registration: 20240104 Address after: Unit 728-D1, 7th Floor, Building 18, No. A7 Tongji Middle Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100050 Patentee after: Beijing Xingyuanhui Technology Co.,Ltd. Address before: 518000 2938, Block B, Tianxia International Center, No. 8, Taoyuan Road, Dawangshan Community, Nantou Street, Nanshan District, Shenzhen, Guangdong Province (settled in Shenzhen Gongbang Business Secretary Co., Ltd.) Patentee before: Shenzhen Aier Biotechnology Co.,Ltd. |
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