CN205562447U - Measuring chamber of cold mirrors formula dew point hygrometer - Google Patents
Measuring chamber of cold mirrors formula dew point hygrometer Download PDFInfo
- Publication number
- CN205562447U CN205562447U CN201620313899.7U CN201620313899U CN205562447U CN 205562447 U CN205562447 U CN 205562447U CN 201620313899 U CN201620313899 U CN 201620313899U CN 205562447 U CN205562447 U CN 205562447U
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- CN
- China
- Prior art keywords
- cavity
- pressing plate
- dew point
- cold mirrors
- photoemission
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Abstract
The utility model discloses a measuring chamber of cold mirrors formula dew point hygrometer for it requires harsh defect to external environment to solve current cold mirrors formula dew point hygrometer. Be equipped with on the cavity and be used for the installation photoemission spare is fixed the position with the transmission piece of photoelectricity receipt piece and is fixed the position with the receipt piece, a transmission clamp plate will photoemission spare sticiss in the transmission fixed position, it will to receive a clamp plate photoelectricity is received the piece and is sticis receive in the fixed position, cavity, a transmission clamp plate are the metal material with a receipt clamp plate. The utility model discloses a photoemission spare, photoelectricity are received the piece and are all sealed and fix inside the cavity, are in the same resonance state with the cavity, and do not have the displacement between the cavity, have avoided the interference of vibration, cavity, a transmission clamp plate and a receipt clamp plate have good heat conductivility, and when ambient temperature was undulant big, photoemission spare can be guaranteed unanimously to improve measuring stability and precision with the temperature that the piece was received to photoelectricity.
Description
Technical field
This utility model relates to detection technique and apparatus field, is specifically related to the measurement chamber of a kind of chilled-mirror type dew point instrument.
Background technology
Humidity is the process control parameters of equal importance with pressure, temperature, and the sign of humidity has multiple method, and in the world for the control of industrial process, humidity is characterized by conventional dew point temperature.Dew point hygrometer is i.e. a kind of instrument for measuring gas dewpoint, according to the difference of measuring principle, dew point hygrometer can be divided into chilled-mirror type dew point instrument, electric transducer formula dew point hygrometer, electrolysis dew point hygrometer, crystal oscillation formula dew point hygrometer, infrared dew point hygrometer and semiconductor transducer dew point hygrometer etc..
Wherein, chilled-mirror type dew point instrument is current certainty of measurement and the highest a kind of dew point hygrometer of stability, frequently as the reference instrument of moisture measurement.But the environmental suitability of chilled-mirror type dew point instrument is poor, external vibration, ambient temperature etc. are required more harsh, it is desirable to have professional's operation of experience and maintenance, be used for the occasions such as metering, laboratory, limit its application industrially and popularization.
Utility model content
The defect harsh in order to solve the environmental requirement to external world of existing chilled-mirror type dew point instrument, this utility model provides a kind of measurement chamber being affected less chilled-mirror type dew point instrument by external vibration, temperature.
The technical solution adopted in the utility model is as follows:
A kind of measurement chamber of chilled-mirror type dew point instrument, including insulating base and cavity, formed between described insulating base and cavity and measure cavity, on described insulating base, Cold Mirrors is installed, described Cold Mirrors is positioned at described measurement cavity, described cavity is provided with photoemission part and opto-electronic receiver part, is provided with transmitting optical channel between described photoemission part and Cold Mirrors, being provided with reception optical channel between described opto-electronic receiver part and Cold Mirrors, described cavity is provided with inlet channel and outlet passageway；Described cavity is provided with for the transmitting part fixed bit installing described photoemission part and opto-electronic receiver part and receiving element fixed bit；Also including transmitting part pressing plate and receiving element pressing plate, described photoemission part is pressed in described transmitting part fixed bit by described transmitting part pressing plate, and described opto-electronic receiver part is pressed in described receiving element fixed bit by described receiving element pressing plate；Described cavity, transmitting part pressing plate and receiving element pressing plate are metal material.
If described transmitting part pressing plate and receiving element pressing plate are arranged on described cavity by bolt stem.
Described inlet channel and outlet passageway are symmetrical along the centre normal of described Cold Mirrors.
Described transmitting optical channel is symmetrical along the centre normal of described Cold Mirrors with reception optical channel.
Described inlet channel, outlet passageway, with described transmitting optical channel, reception optical channel, the circumference at described Cold Mirrors has the phase contrast of 90 °.
Described cavity is provided with observation passage in the surface of described Cold Mirrors, and described observation passage is furnished with upper cover plate.
Described transmitting part pressing plate and receiving element pressing plate are full closure construction, and described photoemission part and opto-electronic receiver part are completely enclosed with receiving element pressing plate by described transmitting part pressing plate respectively.
The beneficial effects of the utility model are:
Photoemission part of the present utility model, opto-electronic receiver part are all closed and are fixed on inside cavity, with cavity be in resonance state, and between cavity, there is no displacement, it is to avoid the interference of vibration；Described cavity, transmitting part pressing plate and receiving element pressing plate have good heat conductivility, and when ambient temperature fluctuation is big, photoemission part can guarantee that consistent with the temperature of opto-electronic receiver part, improves the stability and precision measured.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of this utility model embodiment.
Fig. 2 is the exploded perspective view of this utility model embodiment.
Fig. 3 is the cross-sectional schematic at another visual angle of this utility model embodiment.
Fig. 4 is the schematic top plan view of this utility model embodiment.
Insulating base 1, cavity 2, measurement cavity 3, Cold Mirrors 4, photoemission part 5, opto-electronic receiver part 6, transmitting part pressing plate 7, receiving element pressing plate 8, upper cover plate 9, transmitting optical channel 21, reception optical channel 22, inlet channel 23, outlet passageway 24, transmitting part fixed bit 25, receiving element fixed bit 26, observation passage 27.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
In embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of measurement chamber of chilled-mirror type dew point instrument, including insulating base 1 and cavity 2, formed between described insulating base 1 and cavity 2 and measure cavity 3, on described insulating base 1, Cold Mirrors 4 is installed, described Cold Mirrors 4 is positioned at described measurement cavity 3, photoemission part 5 and opto-electronic receiver part 6 are installed on described cavity 2, transmitting optical channel 21 it is provided with between described photoemission part 5 and Cold Mirrors 4, being provided with reception optical channel 22 between described opto-electronic receiver part and Cold Mirrors 4, described cavity 2 is provided with inlet channel 23 and outlet passageway 24；Described cavity 2 is provided with the transmitting part fixed bit 25 for installing described photoemission part 5 and opto-electronic receiver part 6 and receiving element fixed bit 26；Also including transmitting part pressing plate 7 and receiving element pressing plate 8, described photoemission part 5 is pressed in described transmitting part fixed bit 25 by described transmitting part pressing plate 7, and described opto-electronic receiver part 6 is pressed in described receiving element fixed bit 26 by described receiving element pressing plate 8；Described cavity 2, transmitting part pressing plate 7 and receiving element pressing plate 8 are metal material, and cavity 2, transmitting part pressing plate 7 and receiving element pressing plate 8 also can be selected for the material of the good and steady good stability of other heat conductivity.
It is internal that cavity 2 is all closed and be fixed on to the photoemission part 5 of the present embodiment, opto-electronic receiver part 6, be in the same resonance state with cavity 2, and do not have displacement between cavity 2, also do not have displacement between photoemission part 5 and opto-electronic receiver part 6, it is to avoid the interference vibrated；Described cavity, transmitting part pressing plate use metal material with receiving element pressing plate, have good heat conductivility, and when ambient temperature fluctuation is big, photoemission part can guarantee that consistent with the temperature of opto-electronic receiver part, improves the stability and precision measured.
In embodiment, if described transmitting part pressing plate 7 and receiving element pressing plate 8 are arranged on described cavity 2 by bolt stem.Bolt connect have be completely embedded, the advantage of convenient disassembly, this utility model also can be selected for the fastening means of other forms.
In embodiment, as shown in Figure 1, Figure 2, Figure 3, Figure 4, described transmitting optical channel 21 is symmetrical along the centre normal of described Cold Mirrors 4 with reception optical channel 22；Symmetrical along the centre normal of described Cold Mirrors 4；Described inlet channel 23, outlet passageway 24, with described transmitting optical channel 21, reception optical channel 22, the circumference at described Cold Mirrors 4 has the phase contrast of 90 °.The light sense channel of the present embodiment and gas collecting passage can reach good measurement effect.
In embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, described cavity 2 is provided with observation passage 27 in the surface of described Cold Mirrors 4, and described observation passage 27 is furnished with upper cover plate 9.The passage 27 of observing of the present embodiment is used for observing the state of Cold Mirrors 4, and upper cover plate 9 reduces the external environment impact on measuring cavity 3.
In embodiment, described transmitting part pressing plate 7 is full closure construction with receiving element pressing plate 8, and described photoemission part 5 and opto-electronic receiver part 6 are completely enclosed with receiving element pressing plate 8 by described transmitting part pressing plate 7 respectively.The photoemission part 5 of the present embodiment completely encloses with opto-electronic receiver part 6, it is to avoid photoemission part 5 is impacted by extraneous dust and other impurities with opto-electronic receiver part 6, improves the precision and stability measured.
Obviously, above-described embodiment of the present utility model is merely to illustrate that this utility model example, and not restriction to embodiment of the present utility model.For those of ordinary skill in the field, change or the variation of other multi-forms can also be made on the basis of the above description.Here without also all of embodiment being given poor example.And these belong to obvious change that connotation of the present utility model amplified out or variation still falls within protection domain of the present utility model.
Claims (7)
- null1. the measurement chamber of a chilled-mirror type dew point instrument，Including insulating base (1) and cavity (2)，Formed between described insulating base (1) and cavity (2) and measure cavity (3)，Cold Mirrors (4) is installed on described insulating base (1)，Described Cold Mirrors (4) is positioned at described measurement cavity (3)，Photoemission part (5) and opto-electronic receiver part (6) are installed on described cavity (2)，Transmitting optical channel (21) it is provided with between described photoemission part (5) and Cold Mirrors (4)，Reception optical channel (22) it is provided with between described opto-electronic receiver part and Cold Mirrors (4)，Described cavity (2) is provided with inlet channel (23) and outlet passageway (24)，It is characterized in that: described cavity (2) is provided with for transmitting part fixed bit (25) installing described photoemission part (5) and opto-electronic receiver part (6) and receiving element fixed bit (26)；Also include transmitting part pressing plate (7) and receiving element pressing plate (8), described photoemission part (5) is pressed in described transmitting part fixed bit (25) by described transmitting part pressing plate (7), and described opto-electronic receiver part (6) is pressed in described receiving element fixed bit (26) by described receiving element pressing plate (8)；Described cavity (2), transmitting part pressing plate (7) are metal material with receiving element pressing plate (8).
- 2. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterised in that: described transmitting part pressing plate (7) and receiving element pressing plate (8) are if being arranged on described cavity (2) by bolt stem.
- 3. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterised in that: described inlet channel (23) and outlet passageway (24) are symmetrical along the centre normal of described Cold Mirrors (4).
- 4. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterised in that: described transmitting optical channel (21) is symmetrical along the centre normal of described Cold Mirrors (4) with reception optical channel (22).
- 5. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterized in that: described inlet channel (23), outlet passageway (24), with described transmitting optical channel (21), reception optical channel (22), the circumference at described Cold Mirrors (4) has the phase contrast of 90 °.
- 6. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterised in that: described cavity (2) is provided with observation passage (27) in the surface of described Cold Mirrors (4), and described observation passage (27) is furnished with upper cover plate (9).
- 7. the measurement chamber of chilled-mirror type dew point instrument as claimed in claim 1, it is characterized in that: described transmitting part pressing plate (7) and receiving element pressing plate (8) are full closure construction, described photoemission part (5) and opto-electronic receiver part (6) are completely enclosed with receiving element pressing plate (8) by described transmitting part pressing plate (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313899.7U CN205562447U (en) | 2016-04-15 | 2016-04-15 | Measuring chamber of cold mirrors formula dew point hygrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313899.7U CN205562447U (en) | 2016-04-15 | 2016-04-15 | Measuring chamber of cold mirrors formula dew point hygrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562447U true CN205562447U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620313899.7U Expired - Fee Related CN205562447U (en) | 2016-04-15 | 2016-04-15 | Measuring chamber of cold mirrors formula dew point hygrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501313A (en) * | 2016-10-12 | 2017-03-15 | 江苏鸿源动力科技有限公司 | A kind of chilled-mirror type dew point instrument of bimirror face double light path |
| WO2022141175A1 (en) * | 2020-12-30 | 2022-07-07 | 广州奥松电子有限公司 | Chilled mirror dew point hygrometer probe |
-
2016
- 2016-04-15 CN CN201620313899.7U patent/CN205562447U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501313A (en) * | 2016-10-12 | 2017-03-15 | 江苏鸿源动力科技有限公司 | A kind of chilled-mirror type dew point instrument of bimirror face double light path |
| WO2022141175A1 (en) * | 2020-12-30 | 2022-07-07 | 广州奥松电子有限公司 | Chilled mirror dew point hygrometer probe |
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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: 20160907 Termination date: 20200415 |