CN203530317U - Constant temperature control system for blood bacterial culture system - Google Patents
Constant temperature control system for blood bacterial culture system Download PDFInfo
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- CN203530317U CN203530317U CN201320514844.9U CN201320514844U CN203530317U CN 203530317 U CN203530317 U CN 203530317U CN 201320514844 U CN201320514844 U CN 201320514844U CN 203530317 U CN203530317 U CN 203530317U
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- bacteria culture
- control system
- thermostatic control
- culture instrument
- blood bacteria
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Abstract
The utility model relates to a constant temperature control system for a blood bacterial culture system. The constant temperature control system comprises a signal processing control unit, a signal acquirer, a heating device and a heat radiating device. A temperature in a blood bacterial culture device is acquired by using the signal acquirer, a temperature signal is transmitted to the signal processing control unit, and the works of the heating device and the heat radiating device are controlled through judging a difference of a preset temperature and a field temperature, so that the purpose of constant temperature in a culture tank is achieved; by matching multiple mechanical devices, the temperature of the whole culture tank is balanced. The constant temperature control system provided by the utility model reasonably integrates heat radiation and heating, so that the volume of a mechanism is reduced; the constant temperature control system is capable of realizing automatic control, has an overtemperature protection function, and is convenient, safe and reliable in operation.
Description
Technical field
A thermostatic control system, especially for the thermostatic control system of blood bacteria culture instrument.
Background technology
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 blood bacteria culture instrument provides constant culture temperature, is a part of mechanism very important in blood bacteria culture instrument complete machine.
At present, most domestic hospital clinical carries out blood microbial culture, or carry out with manual mode, manual static is cultivated, 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 smelting and treat, 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 volts DS, described ON-OFF control circuit is via 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, described temperature-control circuit is detected the Heating temperature of described heating control circuit, and when the Heating temperature of described heating control circuit reaches temperature preset value, control described ON-OFF control circuit and stop output dc voltage.Its advantage is the automatic control having 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.
Utility model content
The utility model is the requirement for temperature according to microbial culture, proposes a kind of thermostatic control system that is applied to blood bacteria culture instrument.
Thermostatic control system for 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 blood bacteria culture instrument, temperature signal is sent to described signal processing control 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 object of homo(io)thermism in incubator, and coordinate some mechanisms, allow temperature in whole incubator reach balanced.
Preferably, described heating unit comprises hot-plate.
In above-mentioned arbitrary scheme, preferably, described heating unit comprises and adds Hot-air fan.
In above-mentioned arbitrary scheme, preferably, described heating unit divides many groups, 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.
In above-mentioned arbitrary scheme, 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 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 difference between judgement in situ temperature and preset temperature value.
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.
Blood bacteria culture instrument comprises swing type running gear, and swing type running gear further comprises the mechanism that rocker, incubator and promotion rocker carry out swing type motion.Rocker is used 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, temperature control effect is unstable, and temperature fluctuation range is larger; the thermostatic control system that the utility model provides; heat radiation, heating have been carried out rational integratedly, dwindled mechanism's volume, and can realize automatic control; possess overheat protection function simultaneously, easy to operate, safe, reliable.
Accompanying drawing explanation
Fig. 1 is the first example structure schematic diagram according to the thermostatic control system for blood bacteria culture instrument.
Fig. 2 is according to the signal processing control unit structural representation of a preferred embodiment of the thermostatic control system for blood bacteria culture instrument.
Fig. 3 is the thermostatic control system application of Fig. 1 and first set bilge construction schematic diagram for blood bacteria culture instrument.
Fig. 4 is the thermostatic control system application of Fig. 1 and second game's bilge construction schematic diagram for blood bacteria culture instrument.
The thermostatic control system application of Fig. 5 Fig. 1 and the 3rd local structure schematic diagram for blood bacteria culture instrument.
The thermostatic control system application of Fig. 6 Fig. 1 and the 4th local structure schematic diagram for blood bacteria culture instrument.
The thermostatic control system application of Fig. 7 Fig. 1 and the 5th local structure schematic diagram for blood bacteria culture instrument.
Fig. 8 is according to the structural representation of the second embodiment of the thermostatic control system for blood bacteria culture instrument.
Fig. 9 is according to the structural representation of the 3rd embodiment of the thermostatic control system for blood bacteria culture instrument.
In Fig. 3 to Fig. 6, numeral represents 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 processing control 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
Below in conjunction with the many utility model of drawings and Examples, be described further, but not as restriction of the present utility model.
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 that Fig. 1 is from providing the structural representation of the heating unit of 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 has provided a kind of structural representation of thermostatic control system, comprise by difference between judgement preset temperature value and collection in worksite temperature 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, the heat abstractor 140 of giving the cooling of blood bacteria culture instrument, 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.
When in situ temperature is during lower than preset temperature value, signal processing control unit 110 starts heating units 130 work, and when when in situ temperature is during higher than preset temperature value, signal processing control unit 110 starts heat abstractors 140 and works.
As Fig. 2 has provided the structural representation of signal processing control unit 110, signal processing control unit 110 comprises the controller 210 of difference between judgement in situ temperature signal and preset temperature value, 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, for controlling the radiating control circuit 250 of 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:
Analog temperature signal from signal picker 120 converts to after numerary signal through analog to digital converter 230, is saved in storer 220.
Controller 210 judges that according to the signal of analog to digital converter 230 feedback temperature in 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 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, and 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 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.Swing type running gear comprises rocker 2, incubator 1 and promotes the mechanism that rocker carries out swing type motion.Rocker 2 is for 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 processing control unit 7 by electrical signal.Temperature sensor is a kind ofly temperature value can be transformed into the electronic component of magnitude of voltage, and temperature sensor is passed to analog to digital converter 230 according to the difference of the temperature of experiencing corresponding voltage.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 is opened, Open Side Down certain angle of inclination for it.Air deflector is group more than 9 minutes, and the several air deflectors that laterally arrange are one group, and every group is longitudinally distributed in again between heating unit 130 and rocker 2.
Air after heating is with freezing air comparison, and the density of warm air is less, can float, 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 blood bacteria culture instrument even.
The mechanism of the swing type motion shown in Fig. 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 links together by head bearing 14 and rocker connecting rod 18, rocker connecting rod 18 links together 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 fork 19 being fixed on rocker connecting rod 18 to realize the swing type motion of 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 the device 130 that Hot-air fan 3 and hot-plate 4 compose in parallel heating, the air of hot-plate 4 circumference, add Hot-air fan 3 warm air is around 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.
Receive on an ac terminal of the first rly. by electrical signal one end of heating unit 130.
Fig. 5 provides the side structure schematic diagram of the swing type running gear arriving 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 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 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 air intake fan upper air-out fan under structure.
Receive on an ac terminal of the second rly. 11 by electrical signal one end of heat abstractor 140, 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 system is normally worked, 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, plays 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 overtemperature preset value, temperature controlled switch 8 will disconnect, and whole system quits work, thereby plays a protective role.
Embodiment 2:
As Fig. 8 has provided the structural representation of the second thermostatic control system, on the basis of the first embodiment, also comprise 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 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 provides 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; controller 210 detects after protector 180 startups; send alarm message, notify staff's thermostatic control system because high temperature or system problem cause closing.
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.
The thermostatic control system that the utility model provides, has been undertaken rational integratedly by heat radiation, heating, has dwindled mechanism's volume, and can realize automatic control, possesses overheat protection function simultaneously, easy to operate, safe, reliably.
Claims (17)
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, described signal processing control unit comprises the controller of difference between judgement in situ temperature and preset temperature value, the storer of real-time storage in situ temperature and preset temperature value, in-site modeling temperature signal is converted to the analog to digital converter of numerary signal, heating control circuit and radiating control circuit, utilize described signal picker to gather the temperature in blood bacteria culture instrument, temperature signal is sent to described signal processing control unit, through judging the poor of preset temperature value and in situ temperature, control described heating unit and described heat abstractor.
2. the thermostatic control system for blood bacteria culture instrument according to claim 1, is characterized in that, described heating unit comprises hot-plate.
3. the thermostatic control system for 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 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 blood bacteria culture instrument according to claim 1, is characterized in that, is distributed with the air deflector that warm air is spread from bottom to top between described heating unit and rocker.
6. the thermostatic control system for 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 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 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 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 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.
11. thermostatic control systems for blood bacteria culture instrument according to claim 1, is characterized in that, described thermostatic control system comprises the input unit of inputting preset temperature value.
12. thermostatic control systems for blood bacteria culture instrument according to claim 1, is characterized in that, described thermostatic control system comprises the take-off equipment that shows preset temperature value and in situ temperature.
13. thermostatic control systems for blood bacteria culture instrument according to claim 1, is characterized in that, described thermostatic control system comprises the protector with high temperature power-down mode protection blood bacteria culture instrument.
14. thermostatic control systems for blood bacteria culture instrument according to claim 13, is characterized in that, described thermostatic control system comprises the warning device of notifying staff after described protector starts.
15. thermostatic control systems for blood bacteria culture instrument according to claim 1, is characterized in that, described blood bacteria culture instrument comprises the physical structure that rocker is swung.
16. thermostatic control systems for blood bacteria culture instrument according to claim 15, it is characterized in that, described physical structure comprises eccentric wheel, head bearing, lower bearing, bearing connecting rod, rocker connecting rod, fork, eccentric wheel is connected with bearing connecting rod by lower bearing, bearing connecting rod links together by head bearing and rocker connecting rod, and rocker connecting rod and fork link together.
17. thermostatic control systems for blood bacteria culture instrument according to claim 1, is characterized in that, described signal picker adopts temperature sensor collecting temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514844.9U CN203530317U (en) | 2013-08-22 | 2013-08-22 | Constant temperature control system for blood bacterial culture system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514844.9U CN203530317U (en) | 2013-08-22 | 2013-08-22 | Constant temperature control system for blood bacterial culture system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530317U true CN203530317U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514844.9U Expired - Fee Related CN203530317U (en) | 2013-08-22 | 2013-08-22 | Constant temperature control system for blood bacterial culture system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530317U (en) |
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2013
- 2013-08-22 CN CN201320514844.9U patent/CN203530317U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20180822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |