CN204881005U - Vacuum drying machine - Google Patents
Vacuum drying machine Download PDFInfo
- Publication number
- CN204881005U CN204881005U CN201520666504.7U CN201520666504U CN204881005U CN 204881005 U CN204881005 U CN 204881005U CN 201520666504 U CN201520666504 U CN 201520666504U CN 204881005 U CN204881005 U CN 204881005U
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- signal
- time delay
- module
- time
- delay module
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Abstract
The utility model discloses a vacuum drying machine, including support body, chamber door, drying chamber, the inner wall of drying chamber is provided with ultraviolet lamp, and vacuum drying machine still includes moisture detection circuit, and moisture detection circuit is including the response module for super wet signal when the inside humidity of drying chamber is higher than the default, is sent to the inside humidity of response drying chamber, first time delay module lasts firstly when predetermineeing the time when the super wet signal of received, send the calibrating signal, second time delay module connects in first time delay module, when the time is predetermine above the second to the received calibrating signal, sends enable signal, report an emergency and ask for help or increased vigilance the module, connect in first time delay module, when receiving the calibrating signal, remind the inside humidity of user's drying chamber too high, the executable module connects in second time delay module, when receiving enable signal, sends the degerming signal, protection switch normally open contact establishes ties between external alternate current power supply and ultraviolet lamp, in response to the executable module, and when receiving the degerming signal, the work of control ultraviolet lamp.
Description
Technical field
The utility model relates to a kind of vacuum drier.
Background technology
Vacuum drier vacuum and low temperature equipment is to heating material.Vacuum drier is that Quan Shi food machinery (Shanghai) Co., Ltd. is mainly used in high added value and has dehydrating of the agricultural byproducts of thermal sensitivity, health products, food, medicinal material, fruits and vegetables, industrial chemicals etc.; Low temperature for chemical products concentrates, the removing of the crystallization water, enzyme preparation drying etc., the vacuum extraction of Chinese herbal medicine, is applicable to the experiment of research institutions.Vacuum drier aims at dry heat sensitivity, easily decomposition and readily oxidizable substance and designs, and internally can be filled with inert gas, particularly the article of some complicated components also can carry out rapid draing.
Vacuum drier is by after pumping packing container inner air and reaching predetermined vacuum level, remove the equipment of member inside container moisture, aim at dry heat sensitivity, easily decomposition and readily oxidizable substance and design, internally can be filled with inert gas, the article of some complicated components also can carry out rapid draing especially.
But at vacuum drier when not using, if its inside is also placed with thing material, but this thing material is very easy to accumulation in casing, if now have bacterium or other substance decomposition things, pernicious gas may be produced and remain in vacuum drier inside, the preservation of ectocrine material, if particularly interior humidity is higher, easily makes harmful microorganism grow.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of automatic detection and a kind of vacuum drier its baking oven being carried out to sterilization.
For achieving the above object, the utility model provides following technical scheme: a kind of vacuum drier, comprise support body, hothouse, chamber door and ultraviolet lamp, the inwall of described hothouse is provided with ultraviolet lamp, also comprise humidity measuring circuit, described humidity measuring circuit comprises induction module, for responding to hothouse interior humidity, when hothouse interior humidity is higher than preset value, send super wet signal; First time delay module, when the super wet signal received continues the first Preset Time, sends calibrating signal; Second time delay module, is connected to the first time delay module, when the calibrating signal received is more than the second Preset Time, sends enable signal; Alarm module, is connected to the first time delay module, when receiving calibrating signal, reminds user's hothouse interior humidity too high; Executive Module, is connected to the second time delay module, when receiving enable signal, sends degerming signal; Protection switch normally opened contact, is series between external ac power source and ultraviolet lamp, in response to Executive Module, when receiving degerming signal, controls ultraviolet lamp work.
The utility model can be set to further: described induction module comprises reference section, for being provided as the reference voltage of preset value; Sampling unit, for responding to hothouse humidity and being converted into sampled voltage; Comparing section, is connected to reference section and sampling unit, for the value of benchmark voltage and sampled voltage;
Enforcement division, is connected to comparing section, for exporting super wet signal.The utility model can be set to further: described first time delay module comprises the first relay normally open contact and very first time relay coil that are arranged in series, and described very first time relay coil is provided with the first Preset Time.
The utility model can be set to further: described second time delay module comprises the very first time relay normally open contact and the second time relay coil that are arranged in series, and described second time relay coil is provided with the second Preset Time.
The utility model can be set to further: described alarm module comprises the buzzer and stand by lamp that are arranged in series.
The utility model can be set to further: described Executive Module comprises the second time relay normally opened contact and the second relay coil that are arranged in series, and described protection switch normally opened contact is controlled by described second relay coil action.
The utility model can be set to further: described reference section comprises the first resistance, the second resistance and the 3rd resistance that are arranged in series successively, and the node that described first resistance and the second resistance couple provides reference voltage, and described 3rd resistance is adjustable resistance.
The utility model can be set to further: described support body is provided with travel switch, and when described chamber door closes, described travel switch action is to shield degerming signal.
By adopting technique scheme, serve following effect compared to existing technology: if when hothouse inside enters liquid because of carelessness, interior humidity is caused to raise, induction module detects that situation that humidity raises is to comparison module, then control last ultraviolet lamp by Executive Module and carry out sterilization operation, remind user's interior humidity abnormal conditions simultaneously, there will not be when ensure that use and cause bacteria breed because humidity is too high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model circuit diagram one;
Fig. 3 is the utility model circuit diagram two;
Fig. 4 is the utility model circuit diagram three.
Reference numeral: 1a, support body; 2a, control panel; 3a, chamber door; 4a, hothouse; 5a, ultraviolet lamp; 1, induction module; 11, reference section; 12, sampling unit; 13, comparing section; 14, enforcement division; 2, the first time delay module; 3, the second time delay module; 4, alarm module; 5, Executive Module; 6, ultraviolet lamp drive circuit.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the utility model embodiment is described further.
A kind of vacuum drier, comprise support body 1a, chamber door 3a, control panel 2a, hothouse 4a, the inwall of described hothouse 4a is provided with ultraviolet lamp 5a,
Protection switch normally opened contact KM2, is series between external ac power source and ultraviolet lamp, in response to Executive Module, when receiving degerming signal, controlling ultraviolet lamp work, preventing inner bacteria breed to kill inner bacterium simultaneously.
Induction module 1 comprises reference section 11, for being provided as the reference voltage of preset value; Sampling unit 12, for responding to moulding machine humidity and being converted into sampled voltage; Comparing section 13, is connected to reference section 11 and sampling unit 12, for the value of benchmark voltage and sampled voltage; Enforcement division, is connected to comparing section 13, for exporting super wet signal.
First time delay module 2 comprises the first relay normally open contact and very first time relay coil KT1 that are arranged in series, and the very first time, relay coil KT1 was provided with the first Preset Time.First delay time is set to 1 second, that is in 1 second, if the too high problem of humidity is not resolved, just send a signal to the second time delay module 3 and control dehydrating unit and open, its control mode also can be arranged on dehydrating unit by the first time-delay relay contact.
Second time delay module 3 comprises the very first time relay normally open contact and the second time relay coil KT2 that are arranged in series, and the second time relay coil KT2 is provided with the second Preset Time, and the second Preset Time is set to 5 minutes.
Alarm module 4 comprises the buzzer SP and stand by lamp EL that are arranged in series.Arrange like this and can play a good alarm effect.
Executive Module 5 comprises the second time relay normally opened contact of being arranged in series and the second relay coil KM2, protection switch KM2 normally-closed contact is controlled by the second relay coil KM2 action.
Reference section 11 comprises the first resistance R1, the second resistance R2 and the 3rd resistance R3 that are arranged in series successively, and the node that the first resistance R1 and the second resistance R2 couples provides reference voltage, and the 3rd resistance R3 is adjustable resistance.By the setting of adjustable resistance, reference voltage can be regulated as required.
Sampling unit 12 comprises the humistor R5 be arranged in series and the node coupled between the 4th resistance R4, humistor R5 and the 4th resistance R4 provides sampled voltage.
Comparison circuit comprises comparator, and its positive input terminal is connected to sampled voltage, and its negative input end is connected to reference voltage.Described comparator model elects LM355 as.
Enforcement division comprises the divider resistance string of the output being connected to comparator, comprises the 6th resistance R6 and the 7th resistance R7 that are arranged in series; NPN pipe Q1, its base stage is connected to the node that the 6th resistance R6 and the 7th resistance R7 couples; First relay coil KM1, is connected to NPN pipe Q1 colelctor electrode.
In one embodiment, flow process is as follows when detecting that interior humidity is too high, and first time delay first Preset Time is to judge that this signal is as correct signal, can be set to 1 second, after 1 second, situation does not solve, enter warning, remind user's interior humidity abnormal, this time can be set to 5 minutes, if situation is not resolved in 5 minutes, so drive ultraviolet lamp drive circuit 6, make ultraviolet lamp work, ensure that inside is germ-free condition.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a vacuum drier, comprises support body, chamber door, hothouse, it is characterized in that: the inwall of described hothouse is provided with ultraviolet lamp, and described vacuum drier also comprises humidity measuring circuit, and described humidity measuring circuit comprises
Induction module, for responding to hothouse interior humidity, when hothouse interior humidity is higher than preset value, sends super wet signal;
First time delay module, when the super wet signal received continues the first Preset Time, sends calibrating signal;
Second time delay module, is connected to the first time delay module, when the calibrating signal received is more than the second Preset Time, sends enable signal;
Alarm module, is connected to the first time delay module, when receiving calibrating signal, reminds user's hothouse interior humidity too high;
Executive Module, is connected to the second time delay module, when receiving enable signal, sends degerming signal;
Protection switch normally opened contact, is series between external ac power source and ultraviolet lamp, in response to Executive Module, when receiving degerming signal, controls ultraviolet lamp work.
2. a kind of vacuum drier as claimed in claim 1, is characterized in that: described induction module comprises
Reference section, for being provided as the reference voltage of preset value;
Sampling unit, for responding to hothouse humidity and being converted into sampled voltage;
Comparing section, is connected to reference section and sampling unit, for the value of benchmark voltage and sampled voltage;
Enforcement division, is connected to comparing section, for exporting super wet signal.
3. a kind of vacuum drier as claimed in claim 2, is characterized in that: described first time delay module comprises the first relay normally open contact and very first time relay coil that are arranged in series, and described very first time relay coil is provided with the first Preset Time.
4. a kind of vacuum drier as claimed in claim 2, it is characterized in that: described second time delay module comprises the very first time relay normally open contact and the second time relay coil that are arranged in series, and described second time relay coil is provided with the second Preset Time.
5. a kind of vacuum drier as claimed in claim 2, is characterized in that: described alarm module comprises the buzzer and stand by lamp that are arranged in series.
6. a kind of vacuum drier as claimed in claim 2; it is characterized in that: described Executive Module comprises the second time relay normally opened contact and the second relay coil that are arranged in series, and described protection switch normally opened contact is controlled by described second relay coil action.
7. a kind of vacuum drier as described in Claims 2 or 3 or 4 or 5 or 6, it is characterized in that: described reference section comprises the first resistance, the second resistance and the 3rd resistance that are arranged in series successively, the node that described first resistance and the second resistance couple provides reference voltage, and described 3rd resistance is adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666504.7U CN204881005U (en) | 2015-08-29 | 2015-08-29 | Vacuum drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666504.7U CN204881005U (en) | 2015-08-29 | 2015-08-29 | Vacuum drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204881005U true CN204881005U (en) | 2015-12-16 |
Family
ID=54825368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666504.7U Expired - Fee Related CN204881005U (en) | 2015-08-29 | 2015-08-29 | Vacuum drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204881005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950243A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Collector wear monitoring device |
-
2015
- 2015-08-29 CN CN201520666504.7U patent/CN204881005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950243A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Collector wear monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20190829 |