CN200979528Y - An infrared gas detecting device with constant temperature function - Google Patents
An infrared gas detecting device with constant temperature function Download PDFInfo
- Publication number
- CN200979528Y CN200979528Y CN 200620011933 CN200620011933U CN200979528Y CN 200979528 Y CN200979528 Y CN 200979528Y CN 200620011933 CN200620011933 CN 200620011933 CN 200620011933 U CN200620011933 U CN 200620011933U CN 200979528 Y CN200979528 Y CN 200979528Y
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- infrared gas
- light source
- unit
- air chamber
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Abstract
The utility model disclosed an infrared gas test device with constant temperature function, which comprises the infrared gas test device and a warm-keeping device. The infrared gas test device comprises a sensor chamber diamond and a light source air chamber diamond. The warm-keeping device comprises a warm-keeping cap and a base plate, and a heating plate is arranged on bottom of the base plate. The sensor chamber diamond and the light source air chamber diamond are arranged on the base plate, and a temperature sensor is arranged on the sensor chamber diamond or the light source air chamber diamond of the infrared gas test device. A heat conductivity inlay is arranged among the sensor chamber diamond, the light source air chamber diamond and the base plate, which makes the connection tighter. Heat conductivity is good, and both the sensor chamber diamond and the light source air chamber diamond need warm-keeping. The temperature sensor, which is arranged on the sensor chamber diamond, inflects temperate of controlled objects. Constant temperature is kept effectively. Constant temperature effect is better, and temperature-controlling precision is higher.
Description
Technical field
The utility model relates to a kind of infrared gas pick-up unit with the constant temperature function, relates to the gas analysis instrument field.
Background technology
The present infrared gas pick-up unit that uses, for the precision that guarantees to detect, need whole device be in temperature constant state, if infrared gas pick-up unit constant temperature not, the accuracy that the infrared-gas pick-up unit detects be can have influence on, and then the stability and the accuracy of whole instrumentation had influence on.Usually in order to guarantee the constant temperature of infrared-gas pick-up unit, need heat to keep temperature constant instrument.The heated at constant temperature mode that has is that the infrared gas pick-up unit is installed on the circuit board, as shown in Figure 1, the infrared gas pick-up unit, transducer room square 1 and light source air chamber square 2 are welded on the circuit board 11, circuit board 11 is installed on the base plate 4, be separated with collets 12 between between circuit board 11 and the base plate 4, the bottom of base plate 4 is equipped with heating plate 5, base plate 4 is provided with stay-warm case 6, stay-warm case 6 inboards are coated with heat-insulation layer 7, other clear positions in stay-warm case 6 are provided with temperature sensor 8, in use, need carry out heated constant temperature to entire circuit plate and infrared gas pick-up unit, the also corresponding raising of the working temperature of electronic devices and components on the circuit board like this causes shorten the serviceable life of these electronic devices and components.In addition, because infrared gas pick-up unit and circuit board are installed together, in the time of will causing the infrared gas pick-up unit of different size, different structure to be equipped with the circuit board of identical principle of work, the structure and the size that need the redesign circuit board, so just strengthened workload, increase production cost, reduced the versatility of circuit board.Take the infrared gas pick-up unit of this whole heated constant temperature mode, generally about ± 5 ℃, the precision that the infrared gas pick-up unit detects is also lower for its temperature control precision.Also having a kind of mode is that the infrared gas pick-up unit is separated with its circuit board, only the infrared gas pick-up unit is placed in the stay-warm case, the heating plate that constitutes with heater strip heats then, in this structure, generally be that the infrared gas pick-up unit is fixed on the base plate of stay-warm case, at the inner a certain clear position of stay-warm case temperature sensor is set in addition, temperature sensor carries out temperature control by temperature-adjusting circuit, as shown in Figure 2, the infrared gas pick-up unit, transducer room square 1 and light source air chamber square 2 are installed on the base plate 4, the bottom of base plate 4 is equipped with heating plate 5, base plate 4 is provided with stay-warm case 6, stay-warm case 6 inboards are coated with heat-insulation layer 7, other clear positions in stay-warm case 6 are provided with temperature sensor 8, this mode has certain disadvantages, the infrared sensor parts that are provided with in the infrared gas pick-up unit contact undertighten with base plate, heat-conductive characteristic is relatively poor, the simultaneous temperature sensor be the temperature of other position in the stay-warm case, rather than the temperature of infrared light supply and infrared sensor, though so can constant temperature, but really do not control on the controlled point, and the key of constant temperature is infrared sensor and infrared light supply are kept constant temperature, therefore, this mode is very little to the guarantee effect of the accuracy of detection of infrared gas pick-up unit.
The utility model content
The purpose of this utility model provides a kind of temperature-controlled precision height, good constant-temperature effect, can effectively improve the infrared gas pick-up unit of the band constant temperature function of accuracy of detection and stability.
For achieving the above object, the technical scheme that the utility model adopted is: the infrared gas pick-up unit of band constant temperature function, comprise infrared gas pick-up unit and attemperator, described infrared gas pick-up unit comprises transducer room square and light source air chamber square, described attemperator comprises stay-warm case and base plate, the bottom of described base plate is provided with heating plate, described transducer room square and light source air chamber square are arranged on the base plate, it is characterized in that: the transducer room square of described infrared gas pick-up unit or light source air chamber square are provided with temperature sensor.
Below be the further improvement of such scheme:
Have hole on the described transducer room square, described temperature sensor is arranged in the hole.
Be provided with first heat-conducting layer between described temperature sensor and the transducer room square.
Be provided with second heat-conducting layer between described transducer room square, light source air chamber square and the base plate.
Described first heat-conducting layer, second heat-conducting layer are the heat-conducting layer that heat-conducting silicone grease is made.
Described transducer room square and light source air chamber square are the square that aluminium alloy is made.
The inside surface of the light source air chamber square of described infrared gas pick-up unit closely contacts with light source.
Be provided with installing plate between described transducer room square, light source air chamber square and the base plate.
Beneficial effect:
The utility model compared with prior art, have the following advantages: the profile of transducer room square and light source air chamber square is set to square, and at the transducer room square, between light source air chamber square and the base plate heat-conducting layer is set, make the transducer room square, light source air chamber square is tightr with being connected of base plate, help the conduction of heat, heat-conductive characteristic is good, be provided with installing plate between infrared gas pick-up unit and the base plate, can make the infrared gas pick-up unit convenient when mounted, because needing the parts of constant temperature is transducer room square and light source air chamber square, therefore, temperature sensor is arranged on transducer room square or the light source air chamber square, can make temperature sensor reflect the temperature of controlled device more exactly, keep the constant of infrared sensor and light-source temperature effectively, so compare the mode that in stay-warm case other position is provided with temperature sensor, the better effects if of its constant temperature, temperature-controlled precision is higher, the accuracy of detection of infrared gas pick-up unit, stability is higher, so, have than higher use value and promotional value.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of infrared gas pick-up unit in the background technology;
Accompanying drawing 2 is the structural representation of another kind of infrared gas pick-up unit in the background technology;
Accompanying drawing 3 is the structural representation of the utility model embodiment 1;
Accompanying drawing 4 is the structural representation of the utility model embodiment 2.
Embodiment
Embodiment 1, as shown in Figure 3, the infrared gas pick-up unit of band constant temperature function, comprise transducer room square 1 and light source air chamber square 2 two parts, the square that transducer room square 1 and light source air chamber square 2 are made for aluminium alloy, transducer room square 1 and light source air chamber square 2 are arranged on the base plate 4, base plate 4 is provided with and is used for stay-warm case 6 that transducer room square 1 and light source air chamber square 2 are incubated, the inboard of stay-warm case 6 is coated with heat-insulation layer 7, the bottom of base plate 4 is fixed with heating plate 5, has hole 13 on the transducer room square 1, temperature sensor 10 is arranged in the hole 13, be provided with first heat-conducting layer made from heat-conducting silicone grease 3 between temperature sensor 10 and the transducer room square 1, transducer room square 1, be provided with second heat-conducting layer made from heat-conducting silicone grease 31 between light source air chamber square 2 and the base plate 4, the inside surface of the light source air chamber square 2 of infrared gas pick-up unit closely contacts with light source.
Claims (8)
1, the infrared gas pick-up unit of band constant temperature function, comprise infrared gas pick-up unit and attemperator, described infrared gas pick-up unit comprises transducer room square (1) and light source air chamber square (2), described attemperator comprises stay-warm case (6) and base plate (4), described transducer room square (1) and light source air chamber square (2) are arranged on the base plate (4), the bottom of described base plate (4) is provided with heating plate (5), it is characterized in that: the transducer room square (1) or the light source air chamber square (2) of described infrared gas pick-up unit are provided with temperature sensor (10).
2, the infrared gas pick-up unit of band constant temperature function according to claim 1 is characterized in that:
Have hole (13) on the described transducer room square (1), described temperature sensor (10) is arranged in the hole (13).
3, the infrared gas pick-up unit of band constant temperature function according to claim 2 is characterized in that:
Be provided with first heat-conducting layer (3) between described temperature sensor (10) and the transducer room square (1).
4, according to the infrared gas pick-up unit of claim 1,2,3 one of them described band constant temperature function, it is characterized in that: be provided with second heat-conducting layer (31) between described transducer room square (1), light source air chamber square (2) and the base plate (4).
5, the infrared gas pick-up unit of band constant temperature function according to claim 4 is characterized in that:
The heat-conducting layer that described first heat-conducting layer (3), second heat-conducting layer (31) are made for heat-conducting silicone grease.
6, the infrared gas pick-up unit of band constant temperature function according to claim 5 is characterized in that:
The square that described transducer room square (1) and light source air chamber square (2) are made for aluminium alloy.
7, the infrared gas pick-up unit of band constant temperature function according to claim 6 is characterized in that:
The inside surface of the light source air chamber square (2) of described infrared gas pick-up unit closely contacts with light source.
8, the infrared gas pick-up unit of band constant temperature function according to claim 7 is characterized in that:
Be provided with installing plate (9) between described transducer room square (1), light source air chamber square (2) and the base plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620011933 CN200979528Y (en) | 2006-12-14 | 2006-12-14 | An infrared gas detecting device with constant temperature function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620011933 CN200979528Y (en) | 2006-12-14 | 2006-12-14 | An infrared gas detecting device with constant temperature function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200979528Y true CN200979528Y (en) | 2007-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620011933 Expired - Fee Related CN200979528Y (en) | 2006-12-14 | 2006-12-14 | An infrared gas detecting device with constant temperature function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200979528Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578235A (en) * | 2013-11-04 | 2014-02-12 | 福建美营自动化科技有限公司 | Initiative absorbing type flammable and explosive gas detection alarm |
| CN113237681A (en) * | 2021-04-26 | 2021-08-10 | 北京卫星环境工程研究所 | Vacuum thermal test spacecraft levelness measuring device |
-
2006
- 2006-12-14 CN CN 200620011933 patent/CN200979528Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578235A (en) * | 2013-11-04 | 2014-02-12 | 福建美营自动化科技有限公司 | Initiative absorbing type flammable and explosive gas detection alarm |
| CN113237681A (en) * | 2021-04-26 | 2021-08-10 | 北京卫星环境工程研究所 | Vacuum thermal test spacecraft levelness measuring device |
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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: 20071121 Termination date: 20131214 |