CN202440515U - Constant temperature control system for bacteria and fungus culture room - Google Patents
Constant temperature control system for bacteria and fungus culture room Download PDFInfo
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- CN202440515U CN202440515U CN 201220082334 CN201220082334U CN202440515U CN 202440515 U CN202440515 U CN 202440515U CN 201220082334 CN201220082334 CN 201220082334 CN 201220082334 U CN201220082334 U CN 201220082334U CN 202440515 U CN202440515 U CN 202440515U
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- 241000894006 Bacteria Species 0.000 title claims abstract description 28
- 241000233866 Fungi Species 0.000 title claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 106
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 102100003133 SSR1 Human genes 0.000 claims description 12
- 101700052124 SSR1 Proteins 0.000 claims description 12
- 102100003141 SSR2 Human genes 0.000 claims description 12
- 108060008401 TOM1 Proteins 0.000 claims description 12
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 7
- 230000001702 transmitter Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000001681 protective Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 4
- 230000000903 blocking Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000001580 bacterial Effects 0.000 description 2
- 230000001488 breeding Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 201000009910 diseases by infectious agent Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000004083 survival Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
Abstract
The utility model discloses a constant temperature control system for a bacteria and fungus culture room. The constant temperature control system for the bacteria and fungus culture room comprises a PLC (Programmable Logic Controller) control circuit, a cooling-water machine, two sets of circulating fans, two sets of electric heaters, a display screen and a control touch screen. The display screen and the control touch screen are connected with the PLC control circuit through a bus respectively. Sensors are respectively arranged in positions of the cooling-water machine and the electric heaters. Output of each sensor is connected with input of the PLC control circuit through an analog quantity input module. The PLC control circuit comprises a power supply control circuit, a temperature control circuit of the circulating fans, a temperature control circuit of the cooling-water machine, an alarm and protection circuit and an input and output protective isolation circuit. The constant temperature control system for the bacteria and fungus culture room provided by the utility model is simple in structure and simple and convenient to operate, and the culture room is not easy to pollute; performs control protection for the power supply to ensure normal power supply of the system; automatically alarms for immediate process conveniently and transmits the alarm information remotely; and performs isolated protection for input and output end to eliminate interference among devices and the like.
Description
Technical field
The utility model relates to a kind of bacterium, fungus culture chamber thermostatic control system.
Background technology
In hospital clinical and medical research test, often need carry out operations such as bacterium, fungi separation and Culture to the biological specimen that contains various bacteria, fungi.The temperature of bacterium, fungus culture generally need maintain 30～35 ℃; Mostly existing bacterium, fungi isolation cultivation method are manual mode; Its roughly process be: sample is carried out necessary pre-treatment, and the sample streak inoculation after adopting inoculator to handle is again carried out separation and Culture to petridish; So that the acquisition bacterium colony, evaluation and the medicaments insensitive of further doing bacterium, fungi detect.
There is sizable drawback in this manual manipulation method, and it has following shortcoming:
(1) has certain communicable sample because operator directly contact, cause infection easily, health of operators is constituted a serious threat;
(2) there is considerable human factor influence in operating process, thereby influences the quality of separation and Culture;
(3) the hand process is loaded down with trivial details, handles early stage to expend time in morely, and workload is bigger, and be unfavorable for sample with to work, thereby caused incuring loss through delay good cultivation opportunity, and then influence the separation and Culture quality;
(4) owing to be that artificial hand is cultivated, workload is bigger, is not easy to implement the large-scale bacterium of mass and cultivates.
Based on above deficiency; Bacterium, fungus culture chamber thermostatic control system arise at the historic moment, and culturing room can be used for cultivating on a large scale biological bacterium, fungi, can guarantee to keep biological inoculum survival growth under conditions such as suitable temperature, humidity; Wherein, the most important with culturing room's temperature controlling.
Yet; Not enough below bacteria growth chamber thermostatic control system commonly used at present exists: as can only to cultivate to a kind of bacterial classification of cultivating temperature; Such as bacterium constant temperature culture chamber or fungi constant temperature culture chamber; Because the temperature requirement of two kinds of breeding strains is different, can not separate temperature control to culturing room according to demand; Can't intelligence regulate and demonstration culturing room temperature; Thermoregulator process is comparatively complicated and have certain operational danger, and temperature control precision is poor, error is big, does not have can not in time make alarm and protection under the situation such as normal unlatching or system device break down at recirculation blower; Can't realize insulation blocking to each equipment input/output terminal; Interference between the equipment is stronger, and manually-operated process is prone to make culturing room to be polluted, and system power consumption is big, the power supply design is unreasonable.
The utility model content
The purpose of the utility model is to solve the deficiency of existing bacterium, fungus culture chamber; A kind of novel bacterium, fungus culture chamber thermostatic control system are provided; Overcoming traditional culturing room can only cultivate to a kind of bacterial classification of cultivating temperature; Such as bacterium constant temperature culture chamber or fungi constant temperature culture chamber,, can not separate temperature control to culturing room according to demand because the temperature requirement of two kinds of breeding strains is different; Can't intelligence regulate and demonstration culturing room temperature; Thermoregulator process is comparatively complicated and have certain operational danger, and temperature control precision is poor, error is big, does not have can not in time make alarm and protection under the situation such as normal unlatching or system device break down at recirculation blower; Can't realize insulation blocking to each equipment input/output terminal; Shortcomings such as the interference between the equipment is stronger, and manually-operated process is prone to make culturing room to be polluted, and system power consumption is big, the power supply design is unreasonable.
The purpose of the utility model realizes through following technical scheme: bacterium, fungus culture chamber thermostatic control system; It comprises PLC pilot circuit, cooling-water machine, two groups of recirculation blowers, two groups of electric heaters, image display and control touch-screens; One group of cooling-water machine, recirculation blower and electric heater place bacteria growth chamber; Another group places the fungus culture chamber; Image display is connected with the PLC pilot circuit through bus respectively with the control touch-screen, and the position of cooling-water machine and electric heater is respectively equipped with transmitter, and the output of each transmitter is connected with the input of PLC pilot circuit through the analog quantity load module; The PLC pilot circuit comprises mains pilot circuit, recirculation blower temperature-control circuit, cooling-water machine temperature-control circuit, alarm and protection circuit and IO protection buffer circuit; Described mains pilot circuit comprises power supply control PLC unit; Power supply detects relay J 9, J10; Two groups of fixed relay SSR1, SSR2; Two groups of electric heaters; Proportional valve, system power supply, APS and two groups of proportional valve control relay J 2, J3 and J5, J6, the system power supply be serially connected on the three-phase out-put supply T of power supply control PLC unit after APS is parallelly connected, the three-phase out-put supply T of power supply control PLC unit, S, R through system selector switch respectively with electric shock device KM1, KM2 in three pairs of normally opened contacts be connected; The control end of three pairs of normally opened contacts is serially connected with a fixed relay SSR1, SSR2 respectively in electric shock device KM1, the KM2; Each fixed relay SSR1, electric heater of the last serial connection of SSR2, the other end parallel connection of every group of three electric heaters is connected with an external circuit on any circuit between three pairs of normally opened contacts in system selector switch and electric shock device KM1, the KM2; External circuit detects relay J 9 with power supply, J10 is connected; The control end of normally opened contact, proportional valve control relay J 3, the interior normally opened contact of J6 is serially connected in two output terminals of proportional valve respectively in proportional valve control relay J 2, the J5, and proportional valve control relay J 2 is parallelly connected with the other end of normally opened contact in the J3, and proportional valve control relay J 5 is parallelly connected with the other end of normally opened contact in the J6; Connect with proportional valve after proportional valve control relay J 2, the J3 parallel connection; Be attempted by power supply and detect on the relay J 9, connect with proportional valve after proportional valve control relay J 5, the J6 parallel connection, be attempted by power supply and detect on the relay J 10; Described recirculation blower temperature-control circuit comprises blower fan temperature PLC unit, EAT detection table and return air temperature detection table; The air intake output terminal of recirculation blower serial connection EAT detects the table back and is connected with EAT input port on the blower fan temperature PLC unit, after the return air output terminal serial connection return air temperature of recirculation blower detects and shows with blower fan temperature PLC unit on the return air temperature input port be connected; Described cooling-water machine temperature-control circuit comprises cooling-water machine temperature PLC unit and cooling-water machine temperature detection table, behind the output terminal of the cooling-water machine serial connection cooling-water machine temperature detection table with cooling-water machine temperature PLC unit on cooling-water machine temperature input port be connected; Described alarm and protection circuit comprises alarm and protection PLC unit; Controlling alarm relay J 1; Electric heater relay J4, J7; Cooling-water machine start and stop relay J8 and two groups of proportional valve control relay J 2, J3 and J5, J6, the control end of controlling alarm relay J 1 is connected with the recirculation blower output port of alarm and protection PLC unit, is provided with at least two pairs of normally opened contacts in the controlling alarm relay J 1; Wherein a pair of normally opened contact be attempted by on the power light after hummer is connected, another is connected with warning teletransmission circuit normally opened contact; The control end of electric heater relay J4, J7 is connected with the electric heater output port of power source of alarm and protection PLC unit respectively, and alarm and protection PLC unit is connected with electric heater with electric shock device KM1, KM2 series connection back through the normally opened contact of electric heater relay J4, J7; The control end of cooling-water machine start and stop relay J8 is connected with the cooling-water machine start and stop output port of alarm and protection PLC unit, and alarm and protection PLC unit is connected with cooling-water machine through the normally opened contact of cooling-water machine start and stop relay J8; The control end of proportional valve control relay J 2, J3, J5, J6 is connected with the ball valve output port of alarm and protection PLC unit respectively, and the normally opened contact of proportional valve control relay J 2, J3, J5, J6 is connected with two input terminuss of proportional valve respectively; Described IO protection buffer circuit comprises protection isolation PLC unit; Electric heater relay J4, J7; Blower fan overload relay J14, J15; Cooling-water machine start and stop relay J8; Cooling-water machine superpressure relay J11; Cooling-water machine overload relay J12; Cooling-water machine lack of water relay J13; Controlling alarm relay J 1 detects relay J 9, J10 with power supply, and two groups of proportional valve control relay J 2, J3 and J5, J6, and mains is serially connected with power light on the loop; Mains also is connected with the control end of power supply detection relay J 9, J10; And the normally opened contact that detects in relay J 9, the J10 through power supply is connected with the electric heater short of electricity input port that protection is isolated on the PLC unit, protects the recirculation blower output port on the isolation PLC unit to link to each other with the control end of controlling alarm relay J 1, establishes at least two pairs of normally opened contacts in the controlling alarm relay J 1; Wherein, A pair of normally opened contact be attempted by on the power light after hummer is connected, another is connected with warning teletransmission circuit normally opened contact, two groups of ball valve output ports that protection is isolated on the PLC unit link to each other with the control end of proportional valve control relay J 2, J3 and J5, J6 respectively; Normally opened contact in proportional valve control relay J 2, J3 and J5, the J6 links to each other with two input terminuss of proportional valve respectively; The electric heater output port of power source that protection is isolated on the PLC unit links to each other with the control end of electric heater relay J4, J7, and is connected with electric heater with electric shock device KM1, KM2 series connection back through the normally opened contact in electric heater relay J4, the J7, and the electric heater ratio output port that protection is isolated on the PLC unit is connected with fixed relay SSR1, SSR2; The cooling-water machine start and stop output port that protection is isolated on the PLC unit links to each other with the control end of cooling-water machine start and stop relay J8; And the normally opened contact through cooling-water machine start and stop relay J8 is connected with cooling-water machine, and the output terminal of recirculation blower is connected with the control end of blower fan overload relay J14, J15, and through the interior normally closed contact of blower fan overload relay J14, J15 and protect blower fan on the isolation PLC unit to transship input port to be connected; The output terminal of cooling-water machine is connected with the control end of cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and cooling-water machine lack of water relay J13 respectively, and transships with cooling-water machine superpressure, cooling-water machine on the protection isolation PLC unit through the normally opened contact in cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and the cooling-water machine lack of water relay J13 respectively and the input port of cooling-water machine lack of water is connected.
The beneficial effect of the utility model is:
(1) respectively handpiece Water Chilling Units, blower fan and electric heater are controlled through the PLC pilot circuit; Only need be in control touch-screen adjusted input value; Just can realize adjusting and control respectively to bacteria growth chamber and fungus culture chambers temp; Simple to operation, safe, and clean hygiene, be difficult for to pollute culturing room;
(2) feed back to the staff through the actual temperature of sensor measurement handpiece Water Chilling Units and electric heater and through image display, make things convenient for the staff as required temperature further to be finely tuned;
(3) mains is controlled protection, guarantee system's normal power supply, still can works better when APS is guaranteed system cut-off, adopt the PLC three phase supply, can also carry out protection of electric leakage, guarantee staff's personnel safety;
(4) break down or recirculation blower when situation such as not opening when equipment; System reports to the police automatically, is convenient in time handle it, and can be with the alarm message teletransmission; Managerial personnel can the Long-distance Control bacteria growth chamber situation; Be convenient to the timely remotely modifying of managerial personnel or culturing room's intrinsic parameter is set, be convenient to managerial personnel and in time learn the alarm message in the culturing room, in time make handled;
(5) input/output terminal is carried out insulation blocking, eliminate the interference between the various device.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model mains pilot circuit structural representation;
Fig. 3 is the utility model recirculation blower temperature-control circuit, cooling-water machine temperature-control circuit and alarm and protection electrical block diagram;
Fig. 4 is the utility model IO protection buffer circuit structural representation.
Embodiment
Further describe the technical scheme of the utility model below in conjunction with accompanying drawing: as shown in Figure 1; Bacterium, fungus culture chamber thermostatic control system; It comprises PLC pilot circuit, cooling-water machine, two groups of recirculation blowers, two groups of electric heaters, image display and control touch-screens; One group of cooling-water machine, recirculation blower and electric heater place bacteria growth chamber, and another group places the fungus culture chamber, and image display is connected with the PLC pilot circuit through bus respectively with the control touch-screen; The position of cooling-water machine and electric heater is respectively equipped with transmitter, and the output of each transmitter is connected with the input of PLC pilot circuit through the analog quantity load module; The PLC pilot circuit comprises mains pilot circuit, recirculation blower temperature-control circuit, cooling-water machine temperature-control circuit, alarm and protection circuit and IO protection buffer circuit.
As shown in Figure 2; Described mains pilot circuit comprises power supply control PLC unit; Power supply detects relay J 9, J10; Two groups of fixed relay SSR1, SSR2, two groups of electric heaters, proportional valve, system power supply, APS and two groups of proportional valve control relay J 2, J3 and J5, J6; On system power supply and the three-phase out-put supply T that is serially connected in power supply control PLC unit after APS is parallelly connected; The three-phase out-put supply T of power supply control PLC unit, S, R through system selector switch respectively with electric shock device KM1, KM2 in three pairs of normally opened contacts is connected, the control end of electric shock device KM1, the interior three pairs of normally opened contacts of KM2 is serially connected with a fixed relay SSR1, SSR2 respectively, each fixed relay SSR1, electric heater of the last serial connection of SSR2; The other end parallel connection of every group of three electric heaters; Be connected with an external circuit on any circuit between three pairs of normally opened contacts in system selector switch and electric shock device KM1, the KM2, external circuit detects relay J 9 with power supply, J10 is connected, and the control end of normally opened contact, proportional valve control relay J 3, the interior normally opened contact of J6 is serially connected in two output terminals of proportional valve respectively in proportional valve control relay J 2, the J5; Proportional valve control relay J 2 is parallelly connected with the other end of normally opened contact in the J3; Proportional valve control relay J 5 is parallelly connected with the other end of normally opened contact in the J6, connects with proportional valve after proportional valve control relay J 2, the J3 parallel connection, is attempted by power supply and detects on the relay J 9; Connect with proportional valve after proportional valve control relay J 5, the J6 parallel connection, be attempted by power supply and detect on the relay J 10;
As shown in Figure 3; Described recirculation blower temperature-control circuit comprises blower fan temperature PLC unit, EAT detection table and return air temperature detection table; The air intake output terminal of recirculation blower serial connection EAT detects the table back and is connected with EAT input port on the blower fan temperature PLC unit, after the return air output terminal serial connection return air temperature of recirculation blower detects and shows with blower fan temperature PLC unit on the return air temperature input port be connected; Described cooling-water machine temperature-control circuit comprises cooling-water machine temperature PLC unit and cooling-water machine temperature detection table, behind the output terminal of the cooling-water machine serial connection cooling-water machine temperature detection table with cooling-water machine temperature PLC unit on cooling-water machine temperature input port be connected; Described alarm and protection circuit comprises alarm and protection PLC unit; Controlling alarm relay J 1; Electric heater relay J4, J7; Cooling-water machine start and stop relay J8 and two groups of proportional valve control relay J 2, J3 and J5, J6, the control end of controlling alarm relay J 1 is connected with the recirculation blower output port of alarm and protection PLC unit, is provided with at least two pairs of normally opened contacts in the controlling alarm relay J 1; Wherein a pair of normally opened contact be attempted by power supply indication HL lamp after hummer AL connects on, another is connected with warning teletransmission circuit normally opened contact; The control end of electric heater relay J4, J7 is connected with the electric heater output port of power source of alarm and protection PLC unit respectively, and alarm and protection PLC unit is connected with electric heater with electric shock device KM1, KM2 series connection back through the normally opened contact of electric heater relay J4, J7; The control end of cooling-water machine start and stop relay J8 is connected with the cooling-water machine start and stop output port of alarm and protection PLC unit, and alarm and protection PLC unit is connected with cooling-water machine through the normally opened contact of cooling-water machine start and stop relay J8; The control end of proportional valve control relay J 2, J3, J5, J6 is connected with the ball valve output port of alarm and protection PLC unit respectively, and the normally opened contact of proportional valve control relay J 2, J3, J5, J6 is connected with two input terminuss of proportional valve respectively;
As shown in Figure 4; Described IO protection buffer circuit comprises protection isolation PLC unit; Electric heater relay J4, J7; Blower fan overload relay J14, J15; Cooling-water machine start and stop relay J8; Cooling-water machine superpressure relay J11; Cooling-water machine overload relay J12, cooling-water machine lack of water relay J13, controlling alarm relay J 1 detects relay J 9, J10 with power supply; And two groups of proportional valve control relay J 2, J3 and J5, J6; Be serially connected with power light HL on the mains loop, mains also is connected with the control end that power supply detects relay J 9, J10, and the normally opened contact that detects in relay J 9, the J10 through power supply is connected with electric heater short of electricity input port on protecting isolation PLC unit; The recirculation blower output port that protection is isolated on the PLC unit links to each other with the control end of controlling alarm relay J 1; Establish at least two pairs of normally opened contacts in the controlling alarm relay J 1, wherein, a pair of normally opened contact be attempted by on the power light HL after hummer AL connects; Another is connected with warning teletransmission circuit normally opened contact; Two groups of ball valve output ports that protection is isolated on the PLC unit link to each other with the control end of proportional valve control relay J 2, J3 and J5, J6 respectively, and the normally opened contact in proportional valve control relay J 2, J3 and J5, the J6 links to each other with two input terminuss of proportional valve respectively, and the electric heater output port of power source that protection is isolated on the PLC unit links to each other with the control end of electric heater relay J4, J7; And the normally opened contact that passes through in electric heater relay J4, the J7 is connected with electric heater with electric shock device KM1, KM2 series connection back; The electric heater ratio output port that protection is isolated on the PLC unit is connected with fixed relay SSR1, SSR2, and the cooling-water machine start and stop output port that protection is isolated on the PLC unit links to each other with the control end of cooling-water machine start and stop relay J8, and is connected with cooling-water machine through the normally opened contact of cooling-water machine start and stop relay J8; The output terminal of recirculation blower is connected with the control end of blower fan overload relay J14, J15; And the blower fan overload input port of isolating on the PLC unit through normally closed contact in blower fan overload relay J14, the J15 and protection is connected, and the output terminal of cooling-water machine is connected with the control end of cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and cooling-water machine lack of water relay J13 respectively, and respectively through the normally opened contact in cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and the cooling-water machine lack of water relay J13 and protect cooling-water machine superpressure, cooling-water machine on the isolation PLC unit to transship and the input port of cooling-water machine lack of water is connected.
Claims (1)
1. bacterium, fungus culture chamber thermostatic control system; It is characterized in that: it comprises PLC pilot circuit, cooling-water machine, two groups of recirculation blowers, two groups of electric heaters, image display and control touch-screens; One group of cooling-water machine, recirculation blower and electric heater place bacteria growth chamber; Another group places the fungus culture chamber; Image display is connected with the PLC pilot circuit through bus respectively with the control touch-screen, and the position of cooling-water machine and electric heater is respectively equipped with transmitter, and the output of each transmitter is connected with the input of PLC pilot circuit through the analog quantity load module;
The PLC pilot circuit comprises mains pilot circuit, recirculation blower temperature-control circuit, cooling-water machine temperature-control circuit, alarm and protection circuit and IO protection buffer circuit;
Described mains pilot circuit comprises power supply control PLC unit; Power supply detects relay J 9, J10; Two groups of fixed relay SSR1, SSR2; Two groups of electric heaters; Proportional valve, system power supply, APS and two groups of proportional valve control relay J 2, J3 and J5, J6, the system power supply be serially connected on the three-phase out-put supply T of power supply control PLC unit after APS is parallelly connected, the three-phase out-put supply T of power supply control PLC unit, S, R through system selector switch respectively with electric shock device KM1, KM2 in three pairs of normally opened contacts be connected; The control end of three pairs of normally opened contacts is serially connected with a fixed relay SSR1, SSR2 respectively in electric shock device KM1, the KM2; Each fixed relay SSR1, electric heater of the last serial connection of SSR2, the other end parallel connection of every group of three electric heaters is connected with an external circuit on any circuit between three pairs of normally opened contacts in system selector switch and electric shock device KM1, the KM2; External circuit detects relay J 9 with power supply, J10 is connected; The control end of normally opened contact, proportional valve control relay J 3, the interior normally opened contact of J6 is serially connected in two output terminals of proportional valve respectively in proportional valve control relay J 2, the J5, and proportional valve control relay J 2 is parallelly connected with the other end of normally opened contact in the J3, and proportional valve control relay J 5 is parallelly connected with the other end of normally opened contact in the J6; Connect with proportional valve after proportional valve control relay J 2, the J3 parallel connection; Be attempted by power supply and detect on the relay J 9, connect with proportional valve after proportional valve control relay J 5, the J6 parallel connection, be attempted by power supply and detect on the relay J 10;
Described recirculation blower temperature-control circuit comprises blower fan temperature PLC unit, EAT detection table and return air temperature detection table; The air intake output terminal of recirculation blower serial connection EAT detects the table back and is connected with EAT input port on the blower fan temperature PLC unit, after the return air output terminal serial connection return air temperature of recirculation blower detects and shows with blower fan temperature PLC unit on the return air temperature input port be connected;
Described cooling-water machine temperature-control circuit comprises cooling-water machine temperature PLC unit and cooling-water machine temperature detection table, behind the output terminal of the cooling-water machine serial connection cooling-water machine temperature detection table with cooling-water machine temperature PLC unit on cooling-water machine temperature input port be connected;
Described alarm and protection circuit comprises alarm and protection PLC unit; Controlling alarm relay J 1; Electric heater relay J4, J7; Cooling-water machine start and stop relay J8 and two groups of proportional valve control relay J 2, J3 and J5, J6, the control end of controlling alarm relay J 1 is connected with the recirculation blower output port of alarm and protection PLC unit, is provided with at least two pairs of normally opened contacts in the controlling alarm relay J 1; Wherein a pair of normally opened contact be attempted by on the power light after hummer is connected, another is connected with warning teletransmission circuit normally opened contact; The control end of electric heater relay J4, J7 is connected with the electric heater output port of power source of alarm and protection PLC unit respectively, and alarm and protection PLC unit is connected with electric heater with electric shock device KM1, KM2 series connection back through the normally opened contact of electric heater relay J4, J7; The control end of cooling-water machine start and stop relay J8 is connected with the cooling-water machine start and stop output port of alarm and protection PLC unit, and alarm and protection PLC unit is connected with cooling-water machine through the normally opened contact of cooling-water machine start and stop relay J8; The control end of proportional valve control relay J 2, J3, J5, J6 is connected with the ball valve output port of alarm and protection PLC unit respectively, and the normally opened contact of proportional valve control relay J 2, J3, J5, J6 is connected with two input terminuss of proportional valve respectively;
Described IO protection buffer circuit comprises protection isolation PLC unit; Electric heater relay J4, J7; Blower fan overload relay J14, J15; Cooling-water machine start and stop relay J8; Cooling-water machine superpressure relay J11; Cooling-water machine overload relay J12; Cooling-water machine lack of water relay J13; Controlling alarm relay J 1 detects relay J 9, J10 with power supply, and two groups of proportional valve control relay J 2, J3 and J5, J6, and mains is serially connected with power light on the loop; Mains also is connected with the control end of power supply detection relay J 9, J10; And the normally opened contact that detects in relay J 9, the J10 through power supply is connected with the electric heater short of electricity input port that protection is isolated on the PLC unit, protects the recirculation blower output port on the isolation PLC unit to link to each other with the control end of controlling alarm relay J 1, establishes at least two pairs of normally opened contacts in the controlling alarm relay J 1; Wherein, A pair of normally opened contact be attempted by on the power light after hummer is connected, another is connected with warning teletransmission circuit normally opened contact, two groups of ball valve output ports that protection is isolated on the PLC unit link to each other with the control end of proportional valve control relay J 2, J3 and J5, J6 respectively; Normally opened contact in proportional valve control relay J 2, J3 and J5, the J6 links to each other with two input terminuss of proportional valve respectively; The electric heater output port of power source that protection is isolated on the PLC unit links to each other with the control end of electric heater relay J4, J7, and is connected with electric heater with electric shock device KM1, KM2 series connection back through the normally opened contact in electric heater relay J4, the J7, and the electric heater ratio output port that protection is isolated on the PLC unit is connected with fixed relay SSR1, SSR2; The cooling-water machine start and stop output port that protection is isolated on the PLC unit links to each other with the control end of cooling-water machine start and stop relay J8; And the normally opened contact through cooling-water machine start and stop relay J8 is connected with cooling-water machine, and the output terminal of recirculation blower is connected with the control end of blower fan overload relay J14, J15, and through the interior normally closed contact of blower fan overload relay J14, J15 and protect blower fan on the isolation PLC unit to transship input port to be connected; The output terminal of cooling-water machine is connected with the control end of cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and cooling-water machine lack of water relay J13 respectively, and transships with cooling-water machine superpressure, cooling-water machine on the protection isolation PLC unit through the normally opened contact in cooling-water machine superpressure relay J11, cooling-water machine overload relay J12 and the cooling-water machine lack of water relay J13 respectively and the input port of cooling-water machine lack of water is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220082334 CN202440515U (en) | 2012-03-07 | 2012-03-07 | Constant temperature control system for bacteria and fungus culture room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220082334 CN202440515U (en) | 2012-03-07 | 2012-03-07 | Constant temperature control system for bacteria and fungus culture room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202440515U true CN202440515U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220082334 Withdrawn - After Issue CN202440515U (en) | 2012-03-07 | 2012-03-07 | Constant temperature control system for bacteria and fungus culture room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202440515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586100A (en) * | 2012-03-07 | 2012-07-18 | 四川科伦药业股份有限公司 | Thermostatic control system of bacterium/fungus culture chamber |
| CN102796663A (en) * | 2012-07-19 | 2012-11-28 | 南京荣欣化工有限公司 | Ventilating fermentation tank |
| CN104858000A (en) * | 2015-03-02 | 2015-08-26 | 田茹 | Biochemical incubator |
-
2012
- 2012-03-07 CN CN 201220082334 patent/CN202440515U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586100A (en) * | 2012-03-07 | 2012-07-18 | 四川科伦药业股份有限公司 | Thermostatic control system of bacterium/fungus culture chamber |
| CN102586100B (en) * | 2012-03-07 | 2013-05-15 | 四川科伦药业股份有限公司 | Thermostatic control system of bacterium/fungus culture chamber |
| WO2013131269A1 (en) * | 2012-03-07 | 2013-09-12 | 四川科伦药业股份有限公司 | The temperature control system of bacterial, fungal culture chamber |
| CN102796663A (en) * | 2012-07-19 | 2012-11-28 | 南京荣欣化工有限公司 | Ventilating fermentation tank |
| CN104858000A (en) * | 2015-03-02 | 2015-08-26 | 田茹 | Biochemical incubator |
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Granted publication date: 20120919 Effective date of abandoning: 20130515 |
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| RGAV | Abandon patent right to avoid regrant |