CN206566241U - A kind of Portable pressure steam sterilizing device - Google Patents
A kind of Portable pressure steam sterilizing device Download PDFInfo
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- CN206566241U CN206566241U CN201621224261.2U CN201621224261U CN206566241U CN 206566241 U CN206566241 U CN 206566241U CN 201621224261 U CN201621224261 U CN 201621224261U CN 206566241 U CN206566241 U CN 206566241U
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Abstract
The utility model discloses a kind of Portable pressure steam sterilizing device, including casing, inner bag, case lid, electric appliance box and the electrothermal tube for being arranged at bottom half, in addition to the water filling device for automatic watering, the water filling device includes, water injection unit, for toward water filling in casing；Detection unit, is arranged at cabinet wall, for the height of sensed water level, and exports detectable voltage signals；Control unit, is coupled to the detection unit, and for receiving the detectable voltage signals, described control unit judges whether that water injection unit need to be opened according to detectable voltage signals；And power subsystem, for providing operating voltage for the water filling device.A kind of Portable pressure steam sterilizing device of the present utility model, by being provided with water filling device so that Portable pressure steam sterilizing device only can just be opened when water level is more than or equal to setting value, it is to avoid stop the trouble adding water again halfway.
Description
Technical field
The utility model is related to pressuresteam sterilization technical field, more specifically, it relates to which a kind of hand-held pressure steams
Vapour sterilizer.
Background technology
Portable pressure steam sterilizing device is the equipment that a kind of utilization saturated vapor carries out disinfection to object.Due to vapor
Be a kind of colourless, tasteless, nontoxic gas, water is heated in closed container, just can generate steam, the temperature of steam with
The increase of pressure and rise.Steam has good penetrability, and article in container can be made moistening and to heat rapidly, wet and hot make
Microorganism is killed rapidly, is finally reached the effect of sterilizing.But the pressure steam sterilizer used at present exist it is certain
Defect, does not have good anti-dry measure, it is easy to burn out electrothermal tube when using.
A kind of water-break self-control pressure steam sterilizer disclosed in Publication No. CN201658673U Chinese patent, its skill
Art main points are：Including casing, inner bag, case lid and control cabinet, casing is fixed on the top of control cabinet, and inner bag is located at the interior of casing
Portion, case lid is covered in the top of casing, and the bottom of casing, which is provided with heating tube, heating tube, is provided with controller of cutting off the water supply.
The problem of anti-dry when pressure steam sterilizer is used is solved in such scheme, but be due to can not be before use
Enough waters are detected whether, causes midway may be needed to stop adding water again, repeats, lose time.
Therefore need to propose a kind of new scheme to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Portable pressure steam sterilizing
Device, by being provided with water filling device so that Portable pressure steam sterilizing device ability only when water level is more than or equal to setting value
It can open, it is to avoid stop the trouble adding water again halfway.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of hand-held pressure steams
Vapour sterilizer, including casing, inner bag, case lid, electric appliance box and the electrothermal tube for being arranged at bottom half, in addition to for automatic watering
Water filling device, the water filling device includes, water injection unit, for toward water filling in casing；Detection unit, is arranged in casing
Wall, for the height of sensed water level, and exports detectable voltage signals；Control unit, is coupled to the detection unit, for receiving
The detectable voltage signals, described control unit judges whether that water injection unit need to be opened according to detectable voltage signals；And power supply
Unit, for providing operating voltage for the water filling device；Vent valve is additionally provided with the case lid, the vent valve is connected with
Blast pipe, the other end of the blast pipe is passed through in inner bag.
By using above-mentioned technical proposal, vent valve is set on case lid, and is passed into by connecting blast pipe in inner bag,
The cold air in casing can be discharged before sterilization, and otherwise, penetrating for steam can be cannot get expected by the obstruction of air
Sterilization effect；The steam in heel row outlet body can also be terminated in sterilizing.
The utility model is further arranged to：The water injection unit, which includes connection box house, to be used for toward water filling in casing
Water pump, water pump is coupled with power subsystem, and described control unit controls the break-make of the water pump and power subsystem.
The utility model is further arranged to：The detection unit includes level detection sensor, and the water level detecting is passed
Sensor is arranged on the setting water level of cabinet wall, and is coupled with control unit.
The utility model is further arranged to：Described control unit judges whether that water filling need to be opened according to detectable voltage signals
Unit, when the detectable voltage signals that detection unit is exported are less than setting value, control unit starts water injection unit；Work as detection unit
When the detectable voltage signals of output are more than setting value, control unit directly initiates Portable pressure steam sterilizing device.
The utility model is further arranged to：Described control unit includes, and a comparison circuit, the comparison circuit is coupled to
Detection unit, a comparison signal is exported for the detectable voltage signals received to be compared with setting value；One controlling switch, institute
State controlling switch to be arranged on electric appliance box, described controlling switch one end is coupled to comparison circuit, for on-off control unit；One is non-
Door, the NOT gate has an input and an output end, the other end coupling of its input and controlling switch, its output end
Output control OFF signal；One first switch circuit, the first switch circuit is coupled to the tie point of controlling switch and NOT gate, is used for
Break-make between water pump and power subsystem is controlled according to comparison signal；One second switch circuit, the second switch circuit coupling
In non-gate output terminal, for according to the break-make between control OFF signal control Portable pressure steam sterilizing device and power subsystem.
The utility model is further arranged to：The comparison circuit includes, a reference voltage generating circuit, with one first
Resistance, its one end is coupled to the second direct current, and the other end is grounded after being connected with a second resistance；Wherein, from first resistor and
The reference voltage is produced between two resistance；One comparator, with an in-phase input end, an inverting input and an output end,
The in-phase input end is coupled to reference voltage, and inverting input is coupled to the output end of level detection sensor, and output end is defeated
Go out the comparison signal.
The utility model is further arranged to：The first switch circuit includes with second switch circuit, the poles of a NPN tri-
Pipe, its grounded emitter, base stage is coupled to the tie point of controlling switch and NOT gate and by partial pressure electricity by a current-limiting resistance
Resistance and emitter stage are altogether；One relay, its coil one end is coupled to the first direct current, and the other end is coupled to the NPN triode
Colelctor electrode, its normally opened contact switch is serially connected with primary Ioops, plays on-off action；One diode, it is first straight that its negative electrode is coupled to this
Stream electricity, anode is coupled between the colelctor electrode of NPN triode and the coil of the relay.
The utility model is further arranged to：Safety valve is provided with the case lid.
By using above-mentioned technical proposal, safety valve is set on case lid, pressure too high in casing can be discharged automatically,
Highest pressure is up to 0.175MPa in casing, and when the pressure in casing is more than 0.175MPa, safety valve can be automatically opened up, and be released
Let off high pressure.
The utility model is further arranged to：Sealing ring is additionally provided between the case lid and casing.
By using above-mentioned technical proposal, sealing ring is set between case lid and casing, makes sealing property more preferable.
By above-mentioned technical proposal, after controlling switch is closed, if the height of water level is less than setting value, water level inspection in casing
The detectable voltage signals for surveying sensor output diminish, and now reference voltage is more than detectable voltage signals, and comparator exports high level,
The NPN triode in first switch circuit is turned on, relay power, inner-core adhesive normally opened contact switch turns on alternating current
Source and water pump, water pump is toward water filling in casing；When the height of water level is more than setting value, reference voltage is less than detectable voltage signals,
Comparator exports low level, is input to NOT gate, then the control OFF signal of NOT gate output is high level, is turned in second switch circuit
NPN triode, relay power, inner-core adhesive normally opened contact switch, conducting AC power is gone out with hand-held pressure steam
Bacterium device, Portable pressure steam sterilizing device is started working, it is ensured that Portable pressure steam sterilizing device has enough waters when working.
Brief description of the drawings
Fig. 1 is partial schematic sectional view one of the present utility model；
Fig. 2 is partial schematic sectional view two of the present utility model, it is shown that the attachment structure of shelf；
Fig. 3 is circuit diagram of the present utility model；
Fig. 4 is the circuit diagram of power subsystem.
In figure：1st, casing；2nd, inner bag；3rd, case lid；4th, electric appliance box；5th, electrothermal tube；6th, control unit；7th, water pump；8th, water level
Detection sensor；9th, comparison circuit；10th, controlling switch；11st, first switch circuit；12nd, second switch circuit；13rd, reference voltage
Generative circuit；14th, safety valve；15th, vent valve；16th, blast pipe；17th, sealing ring；18th, shelf；19th, pressure gauge.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of Portable pressure steam sterilizing device, as shown in Figure 1, Figure 2, Figure 3 shows, including casing 1, inner bag 2, case lid 3, electrical equipment
Case 4 and the electrothermal tube 5 for being arranged on the bottom of casing 1, wherein casing 1 are fixed on the top of electric appliance box 4, and the inwall of casing 1 is the bottom of close to
The place of portion's electrothermal tube 5 is provided with three shelves 18, and inner bag 2 is placed on shelf 18；Case lid 3 covers the top in casing 1, case lid
Sealing ring 17 is provided between 3 and casing 1, makes sealing property more preferable；Safety valve 14, the and of vent valve 15 are additionally provided with case lid 3
Blast pipe 16 is connected with pressure gauge 19, vent valve 15, the other end of blast pipe 16 is passed through in inner bag 2；Also include being used for automatically
The water filling device added water, water filling device includes, water injection unit, for toward water filling in casing 1；Detection unit, is arranged in casing 1
On the setting water level of wall, for the height of sensed water level, and detectable voltage signals are exported；Control unit 6, is coupled to detection single
Member, for receiving detectable voltage signals, and judges whether that according to detectable voltage signals water injection unit need to be opened；And power supply list
Member, for providing operating voltage for water filling device.
In the utility model, power unit circuit figure passes through as shown in figure 4, its input is coupled to 220V AC powers
The first direct current Vout_1 is exported after rectification decompression filtering, the first direct current Vout _ 1 is 12V；Second direct current Vout_2,
First direct current Vout _ 2 are 5V, so that control unit 6 is used, in addition, direct to water filling list from the input of power subsystem
Member power supply, the i.e. power supply of water injection unit are 220V AC powers.
Water injection unit, which includes the inside of connection casing 1, is used for the water pump 7 toward water filling in casing 1, water pump 7 and power subsystem coupling
Connect, the break-make of the control water pump 7 of control unit 6 and power subsystem, detailed description, in order to preferably cause the water in casing 1 not to be lost in,
One switch valve can be set between water pump 7 and casing 1.
Detection unit includes level detection sensor 8, and level detection sensor 8 is arranged at the setting water level of the inwall of casing 1
On, the height for detecting water level in casing 1, and coupled with control unit 6.
The control unit 6 of detection unit is coupled to, is judged whether to need to open water injection unit according to detectable voltage signals, when
When the detectable voltage signals of detection unit output are less than setting value, control unit 6 starts water injection unit；Exported when detection unit
When detectable voltage signals are more than setting value, control unit 6 directly initiates Portable pressure steam sterilizing device.
Control unit 6 in the utility model includes, and a comparison circuit 9, comparison circuit 9 is coupled to detection unit, is used for
The detectable voltage signals received are compared with reference voltage and export a comparison signal；One controlling switch 10, controlling switch 10
It is arranged on electric appliance box 4, the one end of controlling switch 10 is coupled to comparison circuit 9, for on-off control unit 6；One NOT gate NOT_1,
With an input and an output end, its input and the other end of controlling switch 10 are coupled, and the output control of its output end is closed
Signal；One first switch circuit 11, first switch circuit 11 is coupled to controlling switch 10 and NOT gate NOT_1 tie point, is used for
Break-make between water pump 7 and power subsystem is controlled according to comparison signal；One second switch circuit 12, second switch circuit 12 is coupled
In NOT gate NOT_1 output ends, for according to logical between control OFF signal control Portable pressure steam sterilizing device and power subsystem
It is disconnected.
Wherein, comparison circuit 9 includes, a reference voltage generating circuit 13, and with a first resistor R1, its one end is coupled to
Second direct current Vout_2, the other end is grounded after being connected with a second resistance R2；Wherein, from first resistor R1 and second resistance R2
Between produce reference voltage；One comparator A, with an in-phase input end, an inverting input and an output end, in-phase input end
Reference voltage is coupled to, inverting input is coupled to the output end of level detection sensor 8, and output end exports a comparison signal.
Comparator A is active voltage comparator, and its power access end is coupled to the second direct current Vout_2, earth terminal ground connection.
Wherein, first switch circuit 11 includes, and a NPN triode Q1, its grounded emitter, base stage passes through a current-limiting resistance
R3 be coupled to controlling switch 10 and NOT gate NOT_1 tie point and by a divider resistance R4 and emitter stage altogether；One relay
KM1, its coil one end is coupled to the first direct current Vout_1, and the other end is coupled to the colelctor electrode of NPN triode Q1, and its is normally opened tactile
Point switch S1 is serially connected between power subsystem and water pump 7；One diode D1, its negative electrode is coupled to first direct current Vout_1,
Anode is coupled between the colelctor electrode of NPN triode Q1 and relay KM1 coil.
Wherein, second switch circuit 12 includes, and a NPN triode Q2, its grounded emitter, base stage passes through a current-limiting resistance
R5 be coupled to controlling switch 10 and NOT gate NOT_1 tie point and by a divider resistance R6 and emitter stage altogether；One relay
KM2, its coil one end is coupled to the first direct current Vout_1, and the other end is coupled to NPN triode Q2 colelctor electrode, and its is normally opened tactile
Point switch S2 is serially connected between power subsystem and Portable pressure steam sterilizing device；One diode D2, its negative electrode be coupled to this
One direct current Vout_1, anode is coupled between NPN triode Q2 colelctor electrode and relay KM2 coil.
The course of work of the present utility model is as follows：
The reference voltage made comparisons with detectable voltage signals is exported by reference to voltage generation circuit 13, according to each sterilizing
The height of water level in required casing 1, default one can reduce scope；When the water level in casing 1 is passed less than that can reduce scope, pressure
The value that sensor 8 is exported is less than reference voltage, and comparator A output high level turns on NPN triode Q1, relay KM1 is powered, interior
Portion iron core adhesive normally opened contact switch S1, conducting AC power and water pump 7, water pump 7 starts toward in casing 1 water filling until casing 1
In height of water level reach in the range of default reduction that now the height of water level in casing 1 is in the range of default reduction, pressure
The value that sensor 8 is exported is more than reference voltage, and comparator A output low levels are input to NOT gate NOT_1, then NOT gate NOT_1 is exported
Control OFF signal be high level, turn on NPN triode Q2, relay KM2 be powered, inner-core adhesive normally opened contact switch S2,
AC power and Portable pressure steam sterilizing device are turned on, Portable pressure steam sterilizing device brings into operation, so as to ensure portable
Formula pressure steam sterilizer has enough waters when working.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of Portable pressure steam sterilizing device, including casing（1）, inner bag（2）, case lid（3）, electric appliance box（4）Be arranged at
Casing（1）The electrothermal tube of bottom（5）, it is characterised in that：Also include the water filling device for automatic watering, the water filling device bag
Include,
Water injection unit, for past casing（1）Interior water filling；
Detection unit, is arranged at casing（1）Inwall, for the height of sensed water level, and exports detectable voltage signals；
Control unit（6）, the detection unit is coupled to, for receiving the detectable voltage signals, described control unit（6）Root
Judge whether that water injection unit need to be opened according to detectable voltage signals；
And power subsystem, for providing operating voltage for the water filling device；
The case lid（3）On be additionally provided with vent valve（15）, the vent valve（15）It is connected with blast pipe（16）, the blast pipe
（16）The other end be passed through inner bag（2）It is interior.
2. a kind of Portable pressure steam sterilizing device according to claim 1, it is characterised in that：The water injection unit includes
Connect casing（1）Inside is used for toward casing（1）The water pump of interior water filling（7）, water pump（7）Coupled with power subsystem, the control is single
Member（6）Control the water pump（7）With the break-make of power subsystem.
3. a kind of Portable pressure steam sterilizing device according to claim 2, it is characterised in that：The detection unit includes
Level detection sensor（8）, the level detection sensor（8）It is arranged at casing（1）On the setting water level of inwall, and with control
Unit processed（6）Coupling.
4. a kind of Portable pressure steam sterilizing device according to claim 3, it is characterised in that：Described control unit（6）
Judged whether that water injection unit need to be opened according to detectable voltage signals, when the detectable voltage signals that detection unit is exported are less than setting value
When, control unit（6）Start water injection unit；When the detectable voltage signals that detection unit is exported are more than setting value, control unit
（6）Directly initiate Portable pressure steam sterilizing device.
5. a kind of Portable pressure steam sterilizing device according to claim 4, it is characterised in that：Described control unit（6）
Including,
One comparison circuit（9）, the comparison circuit（9）Be coupled to detection unit, for by the detectable voltage signals received with
Setting value, which compares, exports a comparison signal；
One controlling switch（10）, the controlling switch（10）It is arranged at electric appliance box（4）On, the controlling switch（10）One end is coupled
In comparison circuit（9）, for on-off control unit（6）；
One NOT gate, the NOT gate has an input and an output end, its input and controlling switch（10）The other end
Coupling, its output end output control OFF signal；
One first switch circuit（11）, the first switch circuit（11）It is coupled to controlling switch（10）With the tie point of NOT gate,
For controlling water pump according to comparison signal（7）Break-make between power subsystem；
One second switch circuit（12）, the second switch circuit（12）Non- gate output terminal is coupled to, for according to control OFF signal
Control the break-make between Portable pressure steam sterilizing device and power subsystem.
6. a kind of Portable pressure steam sterilizing device according to claim 5, it is characterised in that：The comparison circuit（9）
Including,
One reference voltage generating circuit（13）, with a first resistor, its one end is coupled to the second direct current, the other end and one
It is grounded after two resistant series；Wherein, the reference voltage is produced between first resistor and second resistance；
One comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to reference
Voltage, inverting input is coupled to level detection sensor（8）Output end, output end exports the comparison signal.
7. a kind of Portable pressure steam sterilizing device according to claim 5, it is characterised in that：The first switch circuit
（11）With second switch circuit（12）Include,
One NPN triode（Q1, Q2）, its grounded emitter, base stage passes through a current-limiting resistance（R3, R5）It is coupled to controlling switch
（10）With the tie point of NOT gate and by a divider resistance (R4, R6) and emitter stage altogether；
One relay (KM1, KM2), its coil one end is coupled to the first direct current, and the other end is coupled to NPN triode (Q1, Q2)
Colelctor electrode, its normally opened contact switch（S1, S2）It is serially connected with primary Ioops, plays on-off action；
One diode (D1, D2), its negative electrode is coupled to first direct current, and anode is coupled to NPN triode (Q1, Q2) current collection
Between pole and the coil of relay (KM1, KM2).
8. a kind of Portable pressure steam sterilizing device according to claim 1, it is characterised in that：The case lid（3）On set
It is equipped with safety valve（14）.
9. a kind of Portable pressure steam sterilizing device according to claim 1, it is characterised in that：The case lid（3）With case
Body（1）Between be additionally provided with sealing ring（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224261.2U CN206566241U (en) | 2016-11-12 | 2016-11-12 | A kind of Portable pressure steam sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224261.2U CN206566241U (en) | 2016-11-12 | 2016-11-12 | A kind of Portable pressure steam sterilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206566241U true CN206566241U (en) | 2017-10-20 |
Family
ID=60063393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621224261.2U Active CN206566241U (en) | 2016-11-12 | 2016-11-12 | A kind of Portable pressure steam sterilizing device |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125750A (en) * | 2018-10-23 | 2019-01-04 | 广州市豪尔生医疗设备有限公司 | A kind of steam sterilizer |
| CN109172835A (en) * | 2018-11-06 | 2019-01-11 | 四川兴中硕环保科技有限公司 | A kind of high-pressure sterilizer |
| CN110038862A (en) * | 2019-05-23 | 2019-07-23 | 厦门华厦学院 | A kind of tube cleaning arrangement |
| CN111701038A (en) * | 2020-06-24 | 2020-09-25 | 安徽亳诚农牧科技有限公司 | Portable steam sterilizing pot with protection assembly and using method thereof |
-
2016
- 2016-11-12 CN CN201621224261.2U patent/CN206566241U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125750A (en) * | 2018-10-23 | 2019-01-04 | 广州市豪尔生医疗设备有限公司 | A kind of steam sterilizer |
| CN109172835A (en) * | 2018-11-06 | 2019-01-11 | 四川兴中硕环保科技有限公司 | A kind of high-pressure sterilizer |
| CN110038862A (en) * | 2019-05-23 | 2019-07-23 | 厦门华厦学院 | A kind of tube cleaning arrangement |
| CN110038862B (en) * | 2019-05-23 | 2023-12-26 | 厦门华厦学院 | Pipeline cleaning device |
| CN111701038A (en) * | 2020-06-24 | 2020-09-25 | 安徽亳诚农牧科技有限公司 | Portable steam sterilizing pot with protection assembly and using method thereof |
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