CN201628607U - Waterproof compressed natural gas pressure meter - Google Patents
Waterproof compressed natural gas pressure meter Download PDFInfo
- Publication number
- CN201628607U CN201628607U CN2010201048039U CN201020104803U CN201628607U CN 201628607 U CN201628607 U CN 201628607U CN 2010201048039 U CN2010201048039 U CN 2010201048039U CN 201020104803 U CN201020104803 U CN 201020104803U CN 201628607 U CN201628607 U CN 201628607U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- compressed natural
- pointer
- waterproof
- outer casing
- 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 - Lifetime
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a waterproof compressed natural gas pressure meter, which is capable of converting the pressure quantity value of compressed natural gas (CNG) into electric signals to be outputted, and comprises an outer casing with a meter casing dial. A pointer is arranged on the meter casing dial through a pointer center shaft; a main joint is assembled on the lower portion of the outer casing through a rubber sealing ring; the main joint and the lower portion of the outer casing are combined in a circular hole mode and tightly pressed and assembled together by means of interference fit through the rubber sealing ring; an electric fitting circuit board is fixedly installed inside the outer casing; a photoelectric receiving tube and a transmitting tube are arranged on the electric fitting circuit board; and a light shading board capable of rotating along with the pointer center shaft is arranged between the photoelectric receiving tube and the transmitting tube. The waterproof compressed natural gas pressure meter has the advantages of simple structure, low cost, convenient correction and assembly, stable signal output, fine waterproof performance, strong anti-interference capability and the like.
Description
Technical field
The utility model belongs to the gas pressure measurement Instrument technology field, relates to a kind of compressed natural gas tensimeter that compressed natural gas (CNG) pressure magnitude can be converted to electric signal output.
Background technology
The compressed natural gas tensimeter is called for short the CNG tensimeter, the amount of pressure that is mainly used in inflammable gas is measured, its measuring principle is equal to General Manometer of Elastic Tube, the difference place is that the CNG tensimeter has increased the electric signal transmission structure, tested pressure magnitude can be transferred to display end with electrical signal form.
The present domestic manometric production standard of CNG of still not having, though the manometric kind of plain edition CNG is a lot of on the market so far, but because increased the electric signal transmission structure, environment for use to this kind instrument has proposed to compare higher requirement, 1., the manometric interference free performance of plain edition CNG is poor so that it mainly has following drawback:, in automobile, use noise jamming bigger, influence its transmission precision, also increased the dynamic error and the steady-state error of electric signal; 2., existing plain edition CNG tensimeter environment for use in vehicle-mounted is poor, when automobile when regularly cleaning, water inlet easily in the table, in case CNG tensimeter water inlet, to have a strong impact on the manometric signal transmission precision of CNG, increase the dynamic error and the steady-state error of signal, even cause signal output instability and no signal.Above drawback has had a strong impact on the manometric quality of plain edition CNG, has restricted the manometric market development of CNG.
The utility model content
The purpose of this utility model is to overcome the drawback that prior art exists, provide a kind of simple in structure, be convenient to install, cost is low, system's antijamming capability is high and can effectively stop the water proof type compressed natural gas tensimeter of tensimeter water inlet phenomenon.
The technical solution that adopts is so for achieving the above object: the water proof type compressed natural gas tensimeter that is provided comprises a shell that has the watchcase dish, on the watchcase dish, be provided with pointer by the pointer central shaft, be equipped with the main body joint at outer casing underpart by rubber seal, be installed with the Denso wiring board in the enclosure.
In above-mentioned water proof type compressed natural gas tensimeter structure, the main body joint is that circular hole combines with outer casing underpart, and the two adopts the interference fit compression fit together by rubber seal.It is tight isolated that the assembling of this structure can make tensimeter internal environment and external environment condition accomplish, effectively stopped tensimeter water inlet phenomenon.
In addition, the further solution of the utility model also comprises: by waiting circular arc to be arranged at intervals with four photoelectric receiving tubes and a photoemission cell, being provided with between photoelectric receiving tube and photoemission cell can be with the shadow shield of pointer central shaft rotation on the Denso wiring board.In the real work, tensimeter main body joint is connected in the interface of compressed natural gas, when operate as normal has gaseous tension, the pointer central shaft drives pointer generation corresponding deflection indicating gauge dial scale and shows the relevant pressure value, shadow shield on the wiring board of pointer central shaft drive simultaneously goes out the stepped appearance simulating signal by the photoelectricity coupled transfer, converting the corresponding electric signal force value to for the transmission of display end corresponding instrument.
Compared with prior art, of the present utility model simple in structure, cost is low, correction, easy to assembly, stable performance, long service life, its physical construction can effectively be stopped tensimeter water inlet phenomenon, Denso is partly by photoelectricity coupled transfer signal simultaneously, the fluctuation of input signal changes not influence of output signal, stable output signal effectively promoted the antijamming capability of system, thereby it is the high novel product of a cost performance.
Description of drawings
Fig. 1 is an assembly structure synoptic diagram of the present utility model.
Fig. 2 is the configuration structure synoptic diagram of the utility model Denso wiring board.
Each label title is respectively among the figure: 1-shell, 2-Denso wiring board, 3-main body joint, 4-wire bushing, the 5-pointer, 6-pointer central shaft, 7-O-ring seal, 8-photoemission cell, 9,10,11, the 12-photoelectric receiving tube, 13-pointer central shaft and shadow shield mounting points, 14-shadow shield.
Embodiment
Below with reference to accompanying drawing the utility model content is described further, but actual fabrication structure of the present utility model is not limited in following embodiment.
Referring to accompanying drawing, water proof type compressed natural gas tensimeter described in the utility model comprises a shell 1 that has the watchcase dish, is provided with pointer central shaft 6 and pointer 5 on the watchcase dish.Be equipped with main body joint 3 in shell 1 bottom, at manometric main body joint 3 of plain edition CNG and shell 1 are the square hole assembling in the market, its interface sealing difference is the problem of water inlet easily, the utility model spy is improved to the circular hole assembling with it, and is furnished with special substance rubber seal 7, simultaneously the watch case leading-out end line is got one's things ready and join wire bushing (wire bushing adopts special rubber material, good and the elasticity of high temperature oxidation resistance, good-toughness) adopts the assembling of this structure of interference fit compression fit to make table internal environment and external environment condition realize that good sealing is isolated, effectively stopped tensimeter water inlet phenomenon.Denso wiring board 2 is fixedly mounted in the shell 1, and its configuration structure as shown in Figure 2.By waiting circular arc to be arranged at intervals with four photoelectric receiving tubes 9～12 and a photoemission cell 8, being provided with between photoelectric receiving tube and photoemission cell can be with the shadow shield 14 of pointer central shaft 6 rotations on Denso wiring board 2.In the real work, when gauge hand shows the relevant pressure value, pointer central shaft 6 drives shadow shield 14 deflection relevant positions, make corresponding receiving tube conducting, to the corresponding stable signal of display terminal transmission, show corresponding force value, the fluctuation of its input signal changes not influence of output signal, can effectively improve the antijamming capability of system.
Claims (3)
1. water proof type compressed natural gas tensimeter, comprise a shell (1) that has the watchcase dish, on the watchcase dish, be provided with pointer (5) by pointer central shaft (6), it is characterized in that being equipped with main body joint (3) by rubber seal (7), Denso wiring board (2) is installed at shell (1) internal fixation in shell (1) bottom.
2. water proof type compressed natural gas tensimeter according to claim 1 is characterized in that main body joint (3) is that circular hole combines with shell (1) bottom, and the two adopts the interference fit compression fit together by rubber seal (7).
3. water proof type compressed natural gas tensimeter according to claim 1, it is characterized in that going up by waiting circular arc to be arranged at intervals with four photoelectric receiving tubes (9～12) and a photoemission cell (8) at Denso wiring board (2), being provided with between photoelectric receiving tube and photoemission cell can be with the shadow shield (14) of pointer central shaft (6) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201048039U CN201628607U (en) | 2010-01-29 | 2010-01-29 | Waterproof compressed natural gas pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201048039U CN201628607U (en) | 2010-01-29 | 2010-01-29 | Waterproof compressed natural gas pressure meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628607U true CN201628607U (en) | 2010-11-10 |
Family
ID=43060004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201048039U Expired - Lifetime CN201628607U (en) | 2010-01-29 | 2010-01-29 | Waterproof compressed natural gas pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234593A (en) * | 2013-04-17 | 2013-08-07 | 公安部上海消防研究所 | Digitalizer for pointer pressure gauge of air respirator and method for achieving digital operation |
-
2010
- 2010-01-29 CN CN2010201048039U patent/CN201628607U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234593A (en) * | 2013-04-17 | 2013-08-07 | 公安部上海消防研究所 | Digitalizer for pointer pressure gauge of air respirator and method for achieving digital operation |
| CN103234593B (en) * | 2013-04-17 | 2015-07-01 | 公安部上海消防研究所 | Digitalizer for pointer pressure gauge of air respirator and method for achieving digital operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201628607U (en) | Waterproof compressed natural gas pressure meter | |
| CN201885850U (en) | Waterproof and anti-seismic oil filling type compressed natural gas pressure gauge | |
| CN216117267U (en) | Humidity measuring equipment for measuring and detecting ultraviolet accelerated weathering tester | |
| CN210269007U (en) | Waterproof compressed natural gas pressure gauge | |
| CN102081027A (en) | Mechatronics density transmitter | |
| CN203455036U (en) | External plug-in type remote water meter | |
| CN202533213U (en) | Radial Hall waterproof type compressed natural gas pressure gauge | |
| CN202255736U (en) | Hall waterproof type compression natural gas pressure meter | |
| CN212963807U (en) | Full waterproof compressed natural gas pressure gauge | |
| CN210426692U (en) | NB-IOT intelligent wireless liquid level transmitter | |
| CN209961272U (en) | Natural gas intelligence vortex flowmeter | |
| CN201653637U (en) | Photo-electric sensing automobile fuel gas gauge | |
| CN202195908U (en) | Vibration-resisting pointer type sulfur-hexafluoride gas pressure gauge | |
| CN107167208B (en) | Pin and socket connected wireless remote water meter | |
| CN110672237A (en) | Full-sealed strain sensor | |
| CN201673004U (en) | Linear methane pressure gauge | |
| CN215865610U (en) | Transmitter for composite testing differential pressure and static pressure | |
| CN201653640U (en) | Hall magnetic induction type automobile fuel gas pressure gauge | |
| CN204165696U (en) | A kind of pressure unit being convenient to installation wireless module | |
| CN201653636U (en) | Photoelectricity induction vehicle gas pressure gauge with improved structure | |
| CN210627476U (en) | Internet of things intelligent fire extinguisher digital instrument using mechanical gauge outfit as antenna | |
| CN218156347U (en) | Pulse remote water meter with water-proof function | |
| CN201903493U (en) | Electromechanically-integrated density transmitter | |
| CN209783666U (en) | Metal tube float flowmeter capable of measuring liquid and gas | |
| CN203037400U (en) | Push rod type pressure transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |