CN203852620U - Monitorable ethylene oxide sterilizer - Google Patents
Monitorable ethylene oxide sterilizer Download PDFInfo
- Publication number
- CN203852620U CN203852620U CN201420167392.6U CN201420167392U CN203852620U CN 203852620 U CN203852620 U CN 203852620U CN 201420167392 U CN201420167392 U CN 201420167392U CN 203852620 U CN203852620 U CN 203852620U
- Authority
- CN
- China
- Prior art keywords
- ethylene oxide
- control device
- sterilizer
- steriliser
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 8
- 239000003153 chemical reaction reagent Substances 0.000 abstract 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 231100000572 poisoning Toxicity 0.000 description 4
- 230000000607 poisoning effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a monitorable ethylene oxide sterilizer, belongs to the field of pharmacy sterilization equipment, and particularly relates to a monitorable ethylene oxide sterilizer. The sterilizer comprises a sterilizer, wherein a reagent feeding pipeline and a draining pipeline are arranged on the sterilizer; a gas inlet valve and a flowmeter are arranged on the reagent feeding pipeline, and the flowmeter is positioned between the gas inlet valve and the sterilizer; a pressure monitor element and a temperature monitor element are arranged on the draining pipeline; the sterilizer is provided with a control device; the flowmeter, the pressure monitor element and the temperature monitor are respectively connected to different telecommand terminals of the control device through communication wires; a relay is arranged on the gas inlet valve; the remote control end of the control device is connected to a wiring terminal of a normally-open contact of the relay through a communication wire; the power supply end of the gas inlet valve is connected to a power supply through the relay. The monitorable ethylene oxide sterilizer is simple in structure and easy to implement, and can be used for improving the ethylene oxide sterilization safety and controllability and monitoring the sterilization process in the whole process to prevent occurrence of failed sterilization.
Description
Technical field
This utility model provides one can monitor ethylene oxide sterilizer, belongs to pharmacy sterilizing installation field, is specifically related to one and can monitors ethylene oxide sterilizer.
Background technology
Since ethylene oxide sterilizing technology is employed, always as the prefered method of low temperature sterilization mode, but oxirane is a kind of poisonous carcinogen, and oxirane is inflammable and explosive, be difficult for long-distance transport, therefore have strong region, the very large deficiency of bringing in safety, once oxirane leaks, the poisoning situation with exploding of personnel very likely occurs to be occurred, and equipment in use can be constantly aging, unavoidable appearance leaks, can be very dangerous once occur leaking.
Currently available technology defect is: one, and oxirane is poisonous, and personnel cannot grasp sterilizing progress preferably; Its two, cannot well grasp the time of opening sterilizer door, avoid oxirane leak.
Utility model content
This utility model object is to provide one can monitor ethylene oxide sterilizer, simple in structure, easy realization, scheme improve safety and the controllability of ethylene oxide sterilizing, can complete monitoring sterilizing flow process prevent the situation of sterilizing failure to occur, and clamshell doors condition limits, improve operator's safety.
The ethylene oxide sterilizer of monitoring described in the utility model, comprise steriliser, steriliser is provided with drug-feeding tube road and drain line, drug-feeding tube road is provided with intake valve and effusion meter, effusion meter is between intake valve and steriliser, pressure monitoring element and temperature monitoring element are installed on drain line, steriliser is provided with control device, effusion meter, pressure monitoring element and temperature monitoring element are connected to respectively the different remote signalling ends of control device by connection, intake valve is provided with relay, control device remote control end is connected to a binding post of the normally opened contact of relay by connection, another binding post is connected to zero line, intake valve power end is connected to power supply by relay.
The described ethylene oxide sterilizer monitored, use comparatively common ST-200 type PLC in reality to control, and utilize in the time buying its inner embedded very common data itself relatively and carry out subsidiary book utility model according to the logic of comparative result output low and high level and realize described object, carrying out in oxirane enters medicine, control device control relay closure, make the INO on drug-feeding tube road, ethylene oxide gas enters in steriliser through effusion meter, effusion meter can constantly send to control device by the ethylene oxide gas scale of construction information of passing through, control device calculates the oxirane quality that enters steriliser by effusion meter acquired signal, thereby draw ethylene oxide concentration in steriliser, in the time that ethylene oxide concentration reaches setting value, control device stops sending remote signal to relay, relay disconnects, intake valve cuts out, stop into medicine, enter sterilization process, utilize The Ideal-Gas Equation automatically to calculate the concentration of feeding opening distal loop oxidative ethane according to pressure monitoring element with temperature monitoring element with timed unit, when this concentration is less than setting value timed unit control inlet open, complementary ring oxidative ethane, this process can be linear the concentration value of guarantee oxirane stable, sterilizing is produced a desired effect, and do not need personnel close, avoiding leaking poisoning situation occurs.
The described ethylene oxide sterilizer monitored, steriliser is provided with the discharging end that opens the door, and the discharging of the steriliser end place of opening the door is provided with oxirane safe concentration monitor, and control device is provided with speaker, and speaker is connected to control device remote control end.When sterilizing is finished, according to steriliser, whether the discharging end that opens the door is equipped with the oxirane safe concentration monitor monitors safe ethylene oxide concentration that opens the door and meets the requirements, and undesirable door can not open and have control device to give the alarm by speaker.
The described ethylene oxide sterilizer monitored, intake valve is electromagnetic valve.Make steriliser have good sealing.
The described ethylene oxide sterilizer monitored, control device is ST-200 type Programmable Logic Controller.Make this utility model safe and reliable, very stable, maintenance cost is low.
This utility model compared with prior art beneficial effect is:
The described ethylene oxide sterilizer monitored, use comparatively common ST-200 type PLC in reality to control, and utilize in the time buying its inner embedded very common data itself relatively and carry out subsidiary book utility model according to the logic of comparative result output low and high level and realize described object, carrying out in oxirane enters medicine, control device control relay closure, make the INO on drug-feeding tube road, ethylene oxide gas enters in steriliser through effusion meter, effusion meter can constantly send to control device by the ethylene oxide gas scale of construction information of passing through, control device calculates the oxirane quality that enters steriliser by effusion meter acquired signal, thereby draw ethylene oxide concentration in steriliser, in the time that ethylene oxide concentration reaches setting value, control device stops sending remote signal to relay, relay disconnects, intake valve cuts out, stop into medicine, enter sterilization process, utilize The Ideal-Gas Equation automatically to calculate the concentration of feeding opening distal loop oxidative ethane according to pressure monitoring element with temperature monitoring element with timed unit, when this concentration is less than setting value timed unit control inlet open, complementary ring oxidative ethane, this process can be linear the concentration value of guarantee oxirane stable, sterilizing is produced a desired effect, and do not need personnel close, avoiding leaking poisoning situation occurs.
Described concentration monitor device, when sterilizing is finished, according to steriliser, whether the discharging end that opens the door is equipped with the oxirane safe concentration monitor monitors safe ethylene oxide concentration that opens the door and meets the requirements, and undesirable door can not open and have control device to give the alarm by speaker.
Described electromagnetic valve, makes steriliser have good sealing.
Described ST-200 type Programmable Logic Controller, makes this utility model safe and reliable, and very stable, maintenance cost is low.
Brief description of the drawings
Fig. 1 is this utility model example structure schematic diagram.
In figure: 1, drug-feeding tube road; 2, intake valve; 3, effusion meter; 4, steriliser; 5, pressure monitoring element; 6, temperature monitoring element; 7, control device; 8, oxirane safe concentration monitor.
Detailed description of the invention
Below in conjunction with this utility model, this utility model embodiment is described further:
Embodiment 1: as shown in Figure 1, the ethylene oxide sterilizer of monitoring described in the utility model, comprise steriliser 4, steriliser 4 is provided with drug-feeding tube road 1 and drain line, drug-feeding tube road 1 is provided with intake valve 2 and effusion meter 3, effusion meter 3 is between intake valve 2 and steriliser 4, pressure monitoring element 5 and temperature monitoring element 6 are installed on drain line, steriliser 4 is provided with control device 7, effusion meter 3, pressure monitoring element 5 and temperature monitoring element 6 are connected to respectively the different remote signalling ends of control device 7 by connection, intake valve 2 is provided with relay, control device 7 remote control ends are connected to a binding post of the normally opened contact of relay by connection, another binding post is connected to zero line, intake valve 2 power ends are connected to power supply by relay.
Embodiment 2: on the architecture basics described in embodiment 1, steriliser 4 is provided with the discharging end that opens the door, and the discharging of the steriliser 4 end place of opening the door is provided with oxirane safe concentration monitor 8, and control device 7 is provided with speaker, speaker is connected to control device 7 remote control ends, and intake valve 2 is electromagnetic valve.
Operating procedure and operation principle:
The described ethylene oxide sterilizer monitored, use comparatively common ST-200 type PLC in reality to control, and utilize in the time buying its inner embedded very common data itself relatively and carry out subsidiary book utility model according to the logic of comparative result output low and high level and realize described object, carrying out in oxirane enters medicine, control device 7 control relay closures, intake valve 2 on drug-feeding tube road 1 is opened, ethylene oxide gas enters in steriliser 4 through effusion meter 3, effusion meter 3 can constantly send to control device 7 by the ethylene oxide gas scale of construction information of passing through, control device 7 calculates by effusion meter 3 acquired signal the oxirane quality that enters steriliser 4, thereby draw the interior ethylene oxide concentration of steriliser 4, in the time that ethylene oxide concentration reaches setting value, control device 7 stops sending remote signal to relay, relay disconnects, intake valve 2 cuts out, stop into medicine, enter sterilization process, utilize The Ideal-Gas Equation automatically to calculate the concentration of feeding opening distal loop oxidative ethane according to pressure monitoring element 5 with temperature monitoring element 5 with timed unit 7, control intake valve 2 and open when this concentration is less than setting value timed unit 7, complementary ring oxidative ethane, this process can be linear the concentration value of guarantee oxirane stable, sterilizing is produced a desired effect, and do not need personnel close, avoiding leaking poisoning situation occurs.
Claims (4)
1. can monitor ethylene oxide sterilizer for one kind, comprise steriliser (4), steriliser (4) is provided with drug-feeding tube road (1) and drain line, it is characterized in that, drug-feeding tube road (1) is provided with intake valve (2) and effusion meter (3), effusion meter (3) is positioned between intake valve (2) and steriliser (4), pressure monitoring element (5) and temperature monitoring element (6) are installed on drain line, steriliser (4) is provided with control device (7), effusion meter (3), pressure monitoring element (5) and temperature monitoring element (6) are connected to respectively the different remote signalling ends of control device (7) by connection, intake valve (2) is provided with relay, control device (7) remote control end is connected to a binding post of the normally opened contact of relay by connection, another binding post is connected to zero line, intake valve (2) power end is connected to power supply by relay.
2. the ethylene oxide sterilizer of monitoring according to claim 1, it is characterized in that, steriliser (4) is provided with the discharging end that opens the door, the discharging of steriliser (4) the end place of opening the door is provided with oxirane safe concentration monitor (8), control device (7) is provided with speaker, and speaker is connected to control device (7) remote control end.
3. the ethylene oxide sterilizer of monitoring according to claim 1, is characterized in that, intake valve (2) is electromagnetic valve.
4. the ethylene oxide sterilizer of monitoring according to claim 1, is characterized in that, control device (7) is ST-200 type Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167392.6U CN203852620U (en) | 2014-04-08 | 2014-04-08 | Monitorable ethylene oxide sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167392.6U CN203852620U (en) | 2014-04-08 | 2014-04-08 | Monitorable ethylene oxide sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852620U true CN203852620U (en) | 2014-10-01 |
Family
ID=51602501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167392.6U Expired - Lifetime CN203852620U (en) | 2014-04-08 | 2014-04-08 | Monitorable ethylene oxide sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203852620U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492307A (en) * | 2016-12-31 | 2017-03-15 | 江苏顺源集团有限公司 | A kind of intravenous inject transfusion sensor |
| CN113198029A (en) * | 2021-04-12 | 2021-08-03 | 杭州优尼克消毒设备有限公司 | Vehicle-mounted type ethylene oxide sterilizer |
| CN114354439A (en) * | 2021-12-29 | 2022-04-15 | 老肯医疗科技股份有限公司 | Method for detecting sterilization effect of hydrogen peroxide low-temperature plasma sterilizer |
-
2014
- 2014-04-08 CN CN201420167392.6U patent/CN203852620U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492307A (en) * | 2016-12-31 | 2017-03-15 | 江苏顺源集团有限公司 | A kind of intravenous inject transfusion sensor |
| CN113198029A (en) * | 2021-04-12 | 2021-08-03 | 杭州优尼克消毒设备有限公司 | Vehicle-mounted type ethylene oxide sterilizer |
| CN114354439A (en) * | 2021-12-29 | 2022-04-15 | 老肯医疗科技股份有限公司 | Method for detecting sterilization effect of hydrogen peroxide low-temperature plasma sterilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |