CN2622707Y - Gas detector of gas regulation tank - Google Patents
Gas detector of gas regulation tank Download PDFInfo
- Publication number
- CN2622707Y CN2622707Y CN 03208804 CN03208804U CN2622707Y CN 2622707 Y CN2622707 Y CN 2622707Y CN 03208804 CN03208804 CN 03208804 CN 03208804 U CN03208804 U CN 03208804U CN 2622707 Y CN2622707 Y CN 2622707Y
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- China
- Prior art keywords
- gas
- air
- electromagnetic valve
- cold store
- sampling
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- 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 - Fee Related
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Abstract
The utility model relates to a gas detection and control device of an air-conditioned storehouse, comprising a case provided with a gas sampling display panel of the oxygen and the carbon dioxide; a gas sampling display part of the air-conditioned storehouse to be detected connected with the gas sampling display panel and an industrial control computer are arranged in the case; wherein a single chip processor of the gas sampling display part is connected with the industrial control computer used for the automatic control by a wire 485. The beneficial effect of the utility model is that the structure is simple; a concentration value of the oxygen and the carbon dioxide in the air-conditioned storehouse can be measured and displayed by a sensor in time so as to adjust according to a concentration value measured in time, thereby guaranteeing a qualified gas concentration of the oxygen and the carbon dioxide in the air-conditioned storehouse, and providing a reliable assurance of a fresh-keeping quality for a fruit and a vegetable.
Description
Technical field
The utility model relates to the device that oxygen, carbon dioxide in the fruit and vegetable air-conditioning preservation storehouse are detected.
Background technology
The fruit and vegetable air-conditioning preservation storehouse generally abbreviates air-conditioned cold store as, and air-conditioned cold store is a kind of device to fruit and vegetable fresh preservation.To different fruits and vegetables different fresh-keeping conditions should be arranged in air-conditioned cold store, that is, gas should have different gas parameters in the storehouse, and wherein main parameter is the number percent of nitrogen, oxygen, carbon dioxide equal size.Above-mentioned controlled atmosphere parameter determine accurately whether, will determine the quality of fruit and vegetable fresh preservation to a great extent.If will guarantee the quality of preserving fruit and vegetable utilizing in the air-conditioned cold store, should determine the parameter value of gas earlier, and then detect the also parameter value of pilot-gas at any time.But, owing to there is not to detect and control the device of gas parameter in the air-conditioned cold store, therefore, can not grasp the value of air-conditioned cold store gas parameter at any time at present, guarantee that the quality of preserving fruit and vegetable utilizing in the air-conditioned cold store is the comparison difficulty.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of air-conditioned cold store gas-detecting device that can detect oxygen, density of carbon dioxide gas in the air-conditioned cold store at any time is provided.
Solving the problems of the technologies described above the technical scheme that is adopted is: a kind of air-conditioned cold store gas-detecting device, this device comprise the casing that oxygen and carbon dioxide gas sampler body display panel are housed; The gas sampling display part and the industrial computer of the detected air-conditioned cold store that is connected with the gas sampling display panel are housed in the casing; Wherein the single-chip microcomputer of gas sampling display part is connected by a lead 485 and is used for the industrial computer of control automatically.
The beneficial effects of the utility model are: the utility model is simple in structure, can be by the concentration value of oxygen and carbon dioxide in sensor detection in time and the demonstration air-conditioned cold store, in time adjust according to detected concentration value, guaranteeing has qualified oxygen and density of carbon dioxide gas in the air-conditioned cold store, for the quality of preserving fruit and vegetable utilizing provides reliable assurance.
Description of drawings
Fig. 1 is the utility model contour structures synoptic diagram;
Fig. 2 be the utility model gas sampling display part and with the industrial computer connection diagram;
Fig. 3 is the part enlarged drawing of gas sampling display panel G among Fig. 1;
Fig. 4 is a gas sampling display part connection diagram;
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail:
The utility model is a gas-detecting device in a kind of air-conditioned cold store, and as shown in the figure, this device comprises and oxygen is housed and the carbon dioxide gas sampler body shows and the casing 1 of plate G; The gas sampling display part X and the industrial computer F of the detected air-conditioned cold store that is connected with gas sampling display panel G are housed in the casing 1; Wherein the single-chip microcomputer B of gas sampling display part X is connected by a lead 485 and is used for the industrial computer F of control automatically.
Sampling electromagnetic valve group A, carbon dioxide sensor 26 and lambda sensor 27 that gas sampling display part X mainly comprises single-chip microcomputer B, is connected with each air-conditioned cold store; Gas sampling display part X is connected with two kinds, be that the circuit connection is connected with gas circuit, wherein circuit connection structure is: the 1` angle of single-chip microcomputer B to 10` angle connects the setting/acknowledgement key 6 on the gas sampling display panel G successively, On/Off key 7, " storehouse number ▲ " key 8 and " storehouse " key 9, carbon dioxide sensor 26 and display window 5 thereof and lambda sensor 27 and oxygen display window 4 thereof, storehouse display window 3 among the sampling electromagnetic valve group A, lamp 10 is set, electromagnetic valve on-state lamp 11, have the switch 12 that hand switch 12-1 and automatic switch 12-2 change mutually, sampling electromagnetic valve group A; The gas circuit syndeton is: filtrator 25 gas production pumps 24, flowmeter 23 are connected in series between the input end of carbon dioxide sensor 26, lambda sensor 27 and the sampling electromagnetic valve group A that is connected with each air-conditioned cold store.
Single-chip microcomputer B adopts model to be: the outsourcing piece of JK-02 requires to connect according to the utility model.
Lambda sensor 27 adopts model to be: 70X, name are called: battery-type sensors, oxygen electrode utilizes polarogram electrode principle in this battery-type sensors, that is :-0.5 ~-the 0.8V scope in, the proportional characteristic of the concentration of electric current and oxygen, detect a certain air-conditioned cold store oxygen concentration, this concentration value can demonstrate at display window 4.
The described sampling electromagnetic valve group A that is connected with each air-conditioned cold store comprises the electromagnetic valve A-1 that is connected on each detected air-conditioned cold store, A-2, A-3, A-4, promptly, each air-conditioned cold store is as air-conditioned cold store 1, air-conditioned cold store 2, air-conditioned cold store 3, air-conditioned cold store 4 connects electromagnetic valve A-1 respectively, A-2, A-3, A-4, when needs detect a certain air-conditioned cold store oxygen or gas concentration lwevel, as long as send instruction to single-chip microcomputer B, the 10` angle meeting instruction unpack of single-chip microcomputer B is connected the electromagnetic valve of this air-conditioned cold store, the gas of this air-conditioned cold store is flowed out, carry out the testing of oxygen or gas concentration lwevel.
Industrial computer F is equipped with the computing machine that configuration software is used for the work of automatic control single chip computer open and close in being, industrial computer F connects by the single-chip microcomputer B of a lead 485 with gas sampling display part X.It is the external member of PZA5199 that industrial computer F can adopt its model.
Below in conjunction with accompanying drawing use of the present utility model is further specified:
Detect the workflow of air-conditioned cold store oxygen, gas concentration lwevel: the utility model is divided into manually and automatic two kinds of methods of operating, below will illustrate respectively:
Manually: forward rotary switch 12 to manual position, press soft-touch control setting/acknowledgement key 6, it is bright that pilot lamp 10 is set, at this moment, by pressing soft-touch control " storehouse number ▲ " key 8 and " storehouse " key 9 selected valves to be detected number, selected valve number can demonstrate concrete controlled atmosphere Kuku number in controlled atmosphere Kuku display window 3, behind selected this storehouse number, press switch setting/acknowledgement key 6 once more, pilot lamp 10 is set extinguishes, press soft-touch control On/Off key 7, single-chip microcomputer B reaches electromagnetic valve to be detected by angle 10` with signal, this electromagnetic valve is opened, and electromagnetic valve on-state lamp 11 is bright, carries out gas production.Gather the gas of coming in and carry out gas sample acquisition by the sampling container that filtrator 25, gas production pump 24, flowmeter 23 enter carbon dioxide sensor 26 and lambda sensor 27 settings respectively, gas concentration value after the collection shows by carbon dioxide display window 5 and oxygen display window 4, and residual gas is discharged from exhausr port.Gas sampling is pressed soft-touch control On/Off key 7 after detecting, and single-chip microcomputer B reaches shutdown signal the sampling electromagnetic valve of opening by angle 10`, electromagnetic valve is closed, and electromagnetic valve on-state lamp 11 extinguishes, as wants to continue sample detecting, repeat said method, below do not add auspicious stating.
Automatically: when soft-touch control 12 forwards automated location to, carry out control procedure by configuration software and 485 buses, will open with shutdown signal by industrial computer F and reach single-chip microcomputer B, by the open and close of single-chip microcomputer B control sampling electromagnetic valve, not in the needs manual control, the test section is with manual part.
Claims (3)
1. an air-conditioned cold store gas-detecting device is characterized in that this device comprises the casing (l) that oxygen and carbon dioxide gas sampler body display panel (G) are housed; The gas sampling display part (X) and the industrial computer (F) of the detected air-conditioned cold store that is connected with gas sampling display panel (G) are housed in the casing (l); Wherein the single-chip microcomputer (B) of gas sampling display part (X) is connected by a lead (485) and is used for the industrial computer (F) of control automatically.
2. according to the device described in the claim 1, it is characterized in that sampling electromagnetic valve group (A), carbon dioxide sensor (26) and lambda sensor (27) that described gas sampling display part (X) mainly comprises single-chip microcomputer (B), is connected with each air-conditioned cold store; Gas sampling display part (X) be connected with two kinds, be that the circuit connection is connected with gas circuit, wherein circuit connection structure is: the 1` angle of single-chip microcomputer (B) to 10` angle connects the setting/acknowledgement key (6) on the gas sampling display panel (G) successively, On/Off key (7), " storehouse number ▲ " key (8) and " storehouse " key (9), carbon dioxide sensor (26) and display window (5) thereof and lambda sensor (27) and oxygen display window (4) thereof, storehouse display window (3) in the sampling electromagnetic valve group (A), lamp (10) is set, electromagnetic valve on-state lamp (11), have hand switch (12-1) and automatic switch (12-2) switch (12) of conversion mutually, sampling electromagnetic valve group (A); The gas circuit syndeton is: filtrator (25) gas production pump (24), flowmeter (23) are connected in series between the input end of carbon dioxide sensor (26), lambda sensor (27) and the sampling electromagnetic valve group (A) that is connected with each air-conditioned cold store.
3. according to the device described in the claim 2, it is characterized in that the described sampling electromagnetic valve group (A) that is connected with each air-conditioned cold store comprises electromagnetic valve (A-1), (A-2), (A-3), (A-4) that is connected on each detected air-conditioned cold store.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208804 CN2622707Y (en) | 2002-12-30 | 2003-09-03 | Gas detector of gas regulation tank |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02294578 | 2002-12-30 | ||
| CN02294578.4 | 2002-12-30 | ||
| CN 03208804 CN2622707Y (en) | 2002-12-30 | 2003-09-03 | Gas detector of gas regulation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2622707Y true CN2622707Y (en) | 2004-06-30 |
Family
ID=34276214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03208804 Expired - Fee Related CN2622707Y (en) | 2002-12-30 | 2003-09-03 | Gas detector of gas regulation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2622707Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351623C (en) * | 2005-02-05 | 2007-11-28 | 西安交通大学 | Multiple component gas concentration quantitative analyzer based on supporting vector machine |
| CN104407585A (en) * | 2014-11-13 | 2015-03-11 | 天津森罗科技股份有限公司 | Control device of fruit and vegetable air-conditioning fresh-keeping box |
| CN107860105A (en) * | 2017-10-19 | 2018-03-30 | 广东美的制冷设备有限公司 | Sensor module and there is its air conditioner |
| CN109764914A (en) * | 2018-05-30 | 2019-05-17 | 无锡海核装备科技有限公司 | Modified atmosphere fresh-keeping storage Multifunctional environment monitoring device |
| CN110702575A (en) * | 2019-10-08 | 2020-01-17 | 同济大学 | Ultra-low permeability medium gas permeation flow testing device based on multi-range continuous monitoring |
-
2003
- 2003-09-03 CN CN 03208804 patent/CN2622707Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351623C (en) * | 2005-02-05 | 2007-11-28 | 西安交通大学 | Multiple component gas concentration quantitative analyzer based on supporting vector machine |
| CN104407585A (en) * | 2014-11-13 | 2015-03-11 | 天津森罗科技股份有限公司 | Control device of fruit and vegetable air-conditioning fresh-keeping box |
| CN107860105A (en) * | 2017-10-19 | 2018-03-30 | 广东美的制冷设备有限公司 | Sensor module and there is its air conditioner |
| CN107860105B (en) * | 2017-10-19 | 2020-05-05 | 广东美的制冷设备有限公司 | Sensor module and air conditioner with same |
| CN109764914A (en) * | 2018-05-30 | 2019-05-17 | 无锡海核装备科技有限公司 | Modified atmosphere fresh-keeping storage Multifunctional environment monitoring device |
| CN110702575A (en) * | 2019-10-08 | 2020-01-17 | 同济大学 | Ultra-low permeability medium gas permeation flow testing device based on multi-range continuous monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20110903 |