CN101551285B - Mechanical differential pressure gauge with temperature and humidity indicating function - Google Patents
Mechanical differential pressure gauge with temperature and humidity indicating function Download PDFInfo
- Publication number
- CN101551285B CN101551285B CN2008101032803A CN200810103280A CN101551285B CN 101551285 B CN101551285 B CN 101551285B CN 2008101032803 A CN2008101032803 A CN 2008101032803A CN 200810103280 A CN200810103280 A CN 200810103280A CN 101551285 B CN101551285 B CN 101551285B
- Authority
- CN
- China
- Prior art keywords
- temperature
- pressure
- humidity
- pressure chamber
- low
- Prior art date
- 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
Links
Images
Abstract
The invention relates to a mechanical differential pressure gauge with temperature and humidity indicating function, which comprises an outer cover and a temperature and humidity instrument cover connected with the outer cover, wherein a high-pressure chamber and a low-pressure chamber are arranged in the outer cover, an introduction air insulating layer is arranged at the middle part of the high-pressure chamber, high-pressure air inlet holes are arranged at the lower end of the introduction air insulating layer and at the left lower side of the high-pressure chamber, a low-pressure air inlethole is arranged on the lower wall of the low-pressure chamber, the high-pressure chamber is isolated from the low-pressure chamber through a diaphragm, a diaphragm pressing cover is arranged on the diaphragm, the high-pressure chamber is connected with the outer cover through a pressure ring and is sealed with a sealing ring for the high-pressure chamber, a magnetic screw mechanism is arranged in the high-pressure chamber, a pressure measuring instrument head is installed on the magnetic screw mechanism, a temperature and humidity measuring insulating layer and a temperature and humidity measuring mechanism are arranged in the temperature and humidity instrument cover, and the temperature and humidity measuring instrument head is installed on the temperature and humidity measuring mechanism. The invention integrates the pressure, the temperature and the humidity into a whole so as to ensure the simple and convenient operation during the process of measuring pressure, temperature and humidity and is accurate and convenient in measurement and the measurement of the pressure, the temperature and the humidity is not mutually affected.
Description
Technical field
The present invention relates to a kind of mechanical differential pressure gauge, relate to a kind of band temperature of test environments such as toilet and air conditioner filter, mechanical differential pressure gauge of humidity indicating function of being used in more detail.
Background technology
Its principle of mechanical differential pressure gauge is to utilize simple, friction-free magnet helical motion, carries out the elastic pressure gauge of surveying work as sensitive element with rubber diaphragm, and it can utilize pointer to indicate the pressure of tested gas rapidly.Mechanical differential pressure gauge is widely used in measuring pressure, filter resistance, wind speed, furnace pressure, orifice plate differential pressure, bubble water level and the liquid amplifier or the hydraulic system pressure etc. of fan and fan blower; also be used for simultaneously the control of air gas ratio and the autovalve control of combustion process; and blood pressure in the medical health equipment and respiratory pressure monitoring etc.; and the user often also will monitor the temperature and humidity of test environments such as toilet and air conditioning filter in these are used; therefore, a kind of measurement instrument that can integrate temperature, humidity and pressure of exploitation is very necessary.
Summary of the invention
The objective of the invention is to overcome the mechanical differential pressure gauge of the prior art defective of measures ambient temperature and humidity simultaneously, a kind of band temperature of test environments such as toilet and air conditioner filter, mechanical differential pressure gauge of humidity indicating function of being used for is provided.
A kind of band temperature of the present invention, the mechanical differential pressure gauge of humidity indicating function: comprise outer cover and the humiture watch glasses that is connected with outer cover, hyperbaric chamber and low-pressure chamber are set in the described outer cover, middle part, described hyperbaric chamber is provided with introduces the gas heat-insulation layer, so that can not influence measurement result because humiture changes to survey gas, described introducing gas heat-insulation layer lower end, lower-left, hyperbaric chamber side is provided with the high pressure admission hole, described low-pressure chamber lower wall is provided with the low-pressure admission hole, separate by diaphragm between described hyperbaric chamber and the low-pressure chamber and the diaphragm gland is set on described diaphragm, described diaphragm and diaphragm gland are used for isolated high-voltage chamber and low-pressure chamber, be independent of each other between hyperbaric chamber and the low-pressure chamber guaranteeing, be connected by pressure ring between described hyperbaric chamber and the described outer cover and by the sealing of hyperbaric chamber O-ring seal.
And be provided with the temperature and humidity measurement heat-insulation layer in the described humiture watch glasses, be provided with temperature and humidity measurement mechanism in described temperature and humidity measurement heat-insulation layer and the described humiture watch glasses, described introducing gas heat-insulation layer middle part also is provided with and is used for temperature and humidity measurement gas inlet tube that this environment is measured, described temperature and humidity measurement gas inlet tube is connected with described temperature and humidity measurement mechanism, described measuring mechanism comprises moisture measurement gauge outfit and temperature survey gauge outfit, the gas of measured environment is by temperature, the moisture measurement gas inlet tube enters into temperature survey gauge outfit and moisture measurement gauge outfit, reaches the measurement purpose.
And also be provided with the magnetic screw mechanism in the described hyperbaric chamber, described magnetic screw mechanism comprises zeroing screw rod and pressure survey indicator, the gas of test environment enters into the motion that causes rubber diaphragm in the hyperbaric chamber by the high pressure admission hole, thereby cause the motion of magnetic screw mechanism, reach the purpose of gaging pressure.
A kind of mechanical differential pressure gauge with temperature and humidity indicating function of the present invention has following advantage with respect to prior art:
1, since between low-pressure chamber of the present invention and the hyperbaric chamber by between diaphragm isolation, hyperbaric chamber and the temperature and humidity measurement chamber by double-deck watch glasses be hidden in inner introducing gas heat-insulation layer and finish isolation, to realize that thermometer, humidometer, three movements of differential pressure gauge work alone separately, do not disturb mutually.
2, introduce the gas heat-insulation layer because the present invention is provided with, make tested gas can not be subjected to the influence of environment temperature and humidity, simultaneously, outer cover dewfall when also having avoided pressure survey and cause normally reading of user makes the measuring accuracy height, and error is little.
3, the present invention places one with temperature survey, moisture measurement, tonometric three gauge outfits, makes cost low, and structure is tightly played, and volume is little, and is in light weight, easy to carry, uses flexibly.
Description of drawings
Fig. 1 is a kind of mechanical differential pressure gauge sectional view with temperature and humidity indicating function of the present invention;
Fig. 2 is a kind of mechanical differential pressure gauge temperature and humidity measurement structural scheme of mechanism with temperature and humidity indicating function of the present invention;
Fig. 3 is a kind of mechanical differential pressure surface plate synoptic diagram with temperature and humidity indicating function of the present invention.
Figure number explanation: 1, outer cover, 2, the humiture watch glasses, 3, temperature and humidity measurement mechanism, 4, the hyperbaric chamber, 5, low-pressure chamber, 6, introduce the gas heat-insulation layer, 7, the high pressure admission hole, 8, low-pressure admission hole, 9, diaphragm, 10, the diaphragm gland, 11, pressure ring, 12, the hyperbaric chamber O-ring seal, 13, the temperature and humidity measurement heat-insulation layer, 14, pressure survey indicator, 15, the temperature and humidity measurement gas inlet tube, 16, the magnetic screw mechanism, 17, zeroing screw rod, 19, the moisture measurement table, 20, the temperature survey table.
Embodiment
In order to make persons skilled in the art can know technical scheme of the present invention, now in conjunction with the accompanying drawings specific embodiments of the invention are described further:
A kind of mechanical differential pressure gauge of the present invention with temperature and humidity indicating function, comprise outer cover 1 and the humiture watch glasses 2 that is connected with outer cover 1, hyperbaric chamber 4 and low-pressure chamber 5 are set in the outer cover 1,4 middle parts, hyperbaric chamber are provided with introduces gas heat-insulation layer 6, introducing gas heat-insulation layer 6 lower ends, hyperbaric chamber 4 lower-left sides are provided with high pressure admission hole 7, low-pressure chamber 5 lower walls are provided with low-pressure admission hole 8, separate by diaphragm 9 between hyperbaric chamber 4 and the low-pressure chamber 5 and diaphragm gland 10 is set on diaphragm 9, be connected by pressure ring 11 between hyperbaric chamber 4 and the outer cover 1 and by 12 sealings of hyperbaric chamber O-ring seal.
Be provided with temperature and humidity measurement heat-insulation layer 13 in the humiture watch glasses 2 further, be provided with temperature and humidity measurement mechanism 3 in temperature and humidity measurement heat-insulation layer 13 and the humiture watch glasses 2, introduce gas heat-insulation layer 6 middle parts and also be provided with temperature and humidity measurement gas inlet tube 15, temperature and humidity measurement gas inlet tube 15 is connected with described temperature and humidity measurement mechanism 3, and described measuring mechanism comprises moisture measurement gauge outfit 19 and temperature survey gauge outfit 20.Also be provided with magnetic screw mechanism 16 in the hyperbaric chamber 4, magnetic screw mechanism 16 comprises zeroing screw rod 17 and pressure survey indicator 14.
Concrete operation method: utilize the differential pressure between the toilet or the differential pressure of filtrator both sides, gas is flowed from the higher-pressure region to low-pressure area, Hygrothermograph is placed on low-pressure area, by wireway the higher-pressure region air is sent into temperature and humidity measurement gas inlet tube 15, send into humiture structure 3 from temperature humidity measurement gas inlet tube 15 again, can record temperature humidity numerical value and show by the temperature humidity gauge outfit by the induction in the temperature humidity structure.Simultaneously the high pressure of higher-pressure region 7 is introduced from the high pressure admission hole, and contact with sensing element, reach the measurement purpose of pressure by the magnetic screw mechanism, the numerical value of its measurement is by being arranged on pressure survey indicator on the magnetic screw mechanism 16 with the form demonstration of scale.
Specific embodiment of the present invention has been done detailed explanation to content of the present invention, and for persons skilled in the art, any conspicuous change of being done under the prerequisite that does not deviate from the present invention's design all constitutes the infringement to patent of the present invention.
Claims (2)
1. mechanical differential pressure gauge with temperature and humidity indicating function, comprise outer cover (1) and the humiture watch glasses (2) that is connected with outer cover (1), it is characterized in that, hyperbaric chamber (4) and low-pressure chamber (5) are set in the described outer cover (1), middle part, described hyperbaric chamber (4) is provided with introduces gas heat-insulation layer (6), described introducing gas heat-insulation layer (6) lower end, lower-left, hyperbaric chamber (4) side is provided with high pressure admission hole (7), described low-pressure chamber (5) lower wall is provided with low-pressure admission hole (8), separate by diaphragm (9) between described hyperbaric chamber (4) and the described low-pressure chamber (5) and diaphragm gland (10) is set on described diaphragm (9), be connected by pressure ring (11) between described hyperbaric chamber (4) and the described outer cover (1) and opened hyperbaric chamber O-ring seal (12) sealing, be provided with temperature and humidity measurement heat-insulation layer (13) in the described humiture watch glasses (2), be provided with temperature and humidity measurement mechanism (3) in described temperature and humidity measurement heat-insulation layer (13) and the described humiture watch glasses (2), also be provided with magnetic screw mechanism (16) in the described hyperbaric chamber (4), described magnetic screw mechanism (16) comprises zeroing screw rod (17) and pressure survey indicator (14).
2. a kind of mechanical differential pressure gauge according to claim 1 with temperature and humidity indicating function, it is characterized in that, described introducing gas heat-insulation layer (6) middle part also is provided with temperature and humidity measurement gas inlet tube (15), described temperature and humidity measurement gas inlet tube (15) is connected with described temperature and humidity measurement mechanism (3), and described measuring mechanism comprises moisture measurement gauge outfit (19) and temperature survey gauge outfit (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101032803A CN101551285B (en) | 2008-04-02 | 2008-04-02 | Mechanical differential pressure gauge with temperature and humidity indicating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101032803A CN101551285B (en) | 2008-04-02 | 2008-04-02 | Mechanical differential pressure gauge with temperature and humidity indicating function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551285A CN101551285A (en) | 2009-10-07 |
| CN101551285B true CN101551285B (en) | 2010-11-17 |
Family
ID=41155649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101032803A Expired - Fee Related CN101551285B (en) | 2008-04-02 | 2008-04-02 | Mechanical differential pressure gauge with temperature and humidity indicating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101551285B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754651A (en) * | 1986-04-18 | 1988-07-05 | Shortridge Instruments, Inc. | Differential pressure apparatus for measuring flow and velocity |
| EP0906774A2 (en) * | 1997-10-02 | 1999-04-07 | Norbert Dr. Egger | Fitness apparatus |
| CN1260481A (en) * | 2000-01-19 | 2000-07-19 | 山西省气象局 | Method and device for automatic detection and control of wind tunnel speed |
| CN2699246Y (en) * | 2003-01-16 | 2005-05-11 | 吴庠泽 | Portable air flow meter for air discharge measurement |
| CN201173839Y (en) * | 2008-04-02 | 2008-12-31 | 李岩峰 | Mechanical type differential pressure meter with temperature and humidity directive function |
-
2008
- 2008-04-02 CN CN2008101032803A patent/CN101551285B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754651A (en) * | 1986-04-18 | 1988-07-05 | Shortridge Instruments, Inc. | Differential pressure apparatus for measuring flow and velocity |
| EP0906774A2 (en) * | 1997-10-02 | 1999-04-07 | Norbert Dr. Egger | Fitness apparatus |
| CN1260481A (en) * | 2000-01-19 | 2000-07-19 | 山西省气象局 | Method and device for automatic detection and control of wind tunnel speed |
| CN2699246Y (en) * | 2003-01-16 | 2005-05-11 | 吴庠泽 | Portable air flow meter for air discharge measurement |
| CN201173839Y (en) * | 2008-04-02 | 2008-12-31 | 李岩峰 | Mechanical type differential pressure meter with temperature and humidity directive function |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-209291A 2007.08.23 |
| JP特开2007-309628A 2007.11.29 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101551285A (en) | 2009-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11874199B2 (en) | Device and process for determining the size of a leak hole in a sample | |
| CN201173839Y (en) | Mechanical type differential pressure meter with temperature and humidity directive function | |
| EP1726855A2 (en) | Feedstuff valve with an integrated leak sensor | |
| CN101551285B (en) | Mechanical differential pressure gauge with temperature and humidity indicating function | |
| RU2296958C2 (en) | Method for calibrating gas flow meters and device for its realization | |
| CN201628604U (en) | Mechanical differential pressure gauge | |
| CN111921048B (en) | Device and method for external calibration of breathing machine | |
| CN111175346A (en) | Water activity detection device, water activity detection tank and detection method thereof | |
| CN207763880U (en) | A kind of instrument for calibrating pressure measuring meter peculiar to vessel | |
| CN209589904U (en) | A kind of high-precision gas sensor array detection device | |
| RU174922U1 (en) | PRIMARY CONVERTER OF PRESSURE, MOISTURE AND MOLECULAR GAS MASS | |
| CN211825802U (en) | Water activity detection device and water activity detection tank | |
| CN203329148U (en) | Oxygen inhalator | |
| CN220752062U (en) | Hydrogen sensor test system | |
| CN219589933U (en) | Compliance testing device for anesthetic breathing tube | |
| CN201909694U (en) | Differential pressure gauge based on eddy current displacement measurement technology | |
| US2909927A (en) | Fluid pressure gauge | |
| Thomas et al. | Laminar flow elements | |
| Hart et al. | The accuracy of dry gas meters at continuous and sinusoidal flows | |
| CN207881776U (en) | A kind of high-pressure-resistant air weight flowmeter | |
| CN109668683A (en) | A method of it improving pressure transmitter and examines and determine accuracy | |
| CN103344379B (en) | Electromechanical integration differential pressure gauge | |
| CN103591993A (en) | Wet gas flow meter and installation method | |
| RU19580U1 (en) | TIGHTNESS CONTROL DEVICE | |
| CN117073808A (en) | Micro gas flow standard device based on dynamic weighing method and calibration method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sailsors Instruments Co., Ltd. Assignor: Li Yanfeng Contract record no.: 2011990001030 Denomination of invention: Mechanical differential pressure gauge with temperature and humidity indicating function Granted publication date: 20101117 License type: Exclusive License Open date: 20091007 Record date: 20111109 |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SAILSORS INSTRUMENTS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI YANFENG Effective date: 20120514 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120514 Address after: 100083 Beijing Haidian District city Zhi village community Haitai building room 621 Patentee after: Sailsors Instruments Ltd. Beijing Address before: 100083 Beijing city Haidian District North City of Victoria in 229 Haitai building room 723 Patentee before: Li Yanfeng |
|
| 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: 20101117 Termination date: 20160402 |