CN206920072U - The small-sized digital display multifunctional gas differential pressure gauge of cell type - Google Patents
The small-sized digital display multifunctional gas differential pressure gauge of cell type Download PDFInfo
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- CN206920072U CN206920072U CN201720881846.XU CN201720881846U CN206920072U CN 206920072 U CN206920072 U CN 206920072U CN 201720881846 U CN201720881846 U CN 201720881846U CN 206920072 U CN206920072 U CN 206920072U
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- housing
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- battery compartment
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Abstract
It the utility model is related to a kind of small-sized digital display multifunctional gas differential pressure gauge of cell type, including front cover, housing, back shroud and main circuit board, sensor line plate；Front cover is provided with display shield aperture；Housing is provided with battery compartment, battery compartment side is designed as sensor line plate space, battery compartment opposite side is designed with impulse interface and an outer outlet knock-off hole in high low pressure, and impulse interface is connected to the corresponding high low pressure force samples mouth on sensor line plate by interior impulse flexible pipe in high low pressure.The utility model uses the micro electronmechanical differential pressure pick-up of novel high-precision, and circuit supports abundant function；The utility model sealing reaches IP65, and environmental suitability is strong.
Description
Technical field
The utility model is a kind of small gas differential pressure gauge, particularly a kind of small-sized digital display of cell type of HVAC application
Multifunctional gas differential pressure gauge.
Background technology
Small gas differential pressure gauge particularly applies the gas differential manometer in HVAC, and in the market tradition is with U.S. Dwyer
Based on 5000 series small machinery gas differential manometers of Dwyer, also there are indivedual producers to have similar small-sized machine gas differential manometer,
Structure is all that 5000 series of compatible Dwyer are diameter 66mm, but including Dwyer interior producer small-sized machine air differential pressure
Table is all simpler and cruder in design, installation, function etc., and especially table thickness has been up to reasonable insertions of the 60mm far beyond 40mm
Thickness, more coarse and more crude and far from most of installation by adhering requirements are met, small-sized machine gas differential manometer is based on mechanical former
Reason and the current producer of structure all do not accomplish to install within thickness 40mm, and function can only all have simple display function.
Small-sized machine gas differential manometer has larger gap from the market demand at present, and in the market is also substantially without small-sized digital display gas
, the very big market space be present in body differential pressure gauge, the market application deficiency of small gas differential pressure gauge.The multifunctional digital of instrument is drilled
It is trend to enter, and small gas differential pressure gauge is performed into being also inevitable, so needing one kind alternative and better than small to Multi-functional digital display
The small-sized digital display multifunctional gas differential pressure gauge of type machinery gas differential manometer, it is existing especially with battery powered without connecting up power supply again
It is very convenient that small-sized machine gas differential manometer is replaced immediately, and battery specifications are generally applicable and economical, plus the durable length of battery,
Its prospect is boundless.
Utility model content
The purpose of the utility model be in order to overcome the structure design of existing HVAC small-sized machine gas differential manometer coarse and crude,
Physical dimension especially thickness can not meet greatly very much to require within the most installation by adhering thickness 40mm of typical case, and function simply waits not
Foot, invent a kind of built-in four sections battery powered small-sized digital display multifunctional gas differential pressure gauges of AA of optimization design.
The purpose of this utility model is realized as follows：
The small-sized digital display multifunctional gas differential pressure gauge of cell type, including front cover, housing, back shroud and main circuit board,
Sensor line plate；Front cover is provided with display shield aperture；Housing is provided with battery compartment, and battery compartment side is designed as sensor line plate sky
Between, battery compartment opposite side is designed with impulse interface and an outer outlet knock-off hole in high low pressure, and impulse interface leads in high low pressure
Cross the corresponding high low pressure force samples mouth that interior impulse flexible pipe is connected on sensor line plate；Back shroud outlet outside housing is struck
Fall hole, housing bottom surface high low pressure force samples mouth position is left room；Back shroud is provided with battery compartment seal groove and sealing ring,
Housing is coordinated to realize sealing；Main circuit board front is provided with display screen, the display shield aperture size of the identical front cover of screen size；Pass
Sensor wiring board is welded on main circuit board.
There is oblong display screen hole among front cover, also have three button circular holes below display shield aperture, show shield aperture upper right
Portion is provided with the lamp hole of two small rectangles；
Veneer film on front cover, facial mask are showing shield aperture, lamp hole position not silk-screen using high light-transmitting materials and silk-screen, facial mask
Leave blank for display, facial mask silk-screen background color and design symbol, facial mask outside display shield aperture, lamp hole are defined in button hole site silk-screen
Button sign；
There are the installation screw hole post of three main circuit boards and an installation screw hole post of two housings in the front cover back side, and also two
The installation screw hole post of individual back shroud insertion housing locking front cover, front cover also have seal groove and sealing ring to coordinate housing
Realize and require sealing.
Housing is provided with Double-layer double-row AA battery compartments in centre position, and sensor line plate space is designed as on the right side of battery compartment,
It is designed with impulse interface and an outer outlet knock-off hole in two high low pressures on the left of battery compartment, impulse interface in two high low pressures
The two high low pressure force samples mouths of correspondence being connected to by interior impulse flexible pipe on sensor line plate, battery compartment shape are provided with
Arc structure, arc structure matching circular battery, arc structure can avoid interior impulse flexible pipe right angle bending from blocking, battery compartment connection
Line give main circuit board power supply, outer outlet knock-off hole can abate insertion lead go out；
Housing has an impulse interface outside two high low pressures respectively in lateral surface and outer bottom, in high low pressure impulse interface and
The outer impulse interface difference intercommunication of lateral surface, the high low pressure of outer bottom, and it is furnished with one group of two plug, it can flexibly use each one
The outer impulse interface of individual high low pressure and block the outer impulse interface of another each high low pressure；
Housing is provided with two above cover locking running-deep-holes, the installation screw hole post pair with two housings at the front cover back side
Should, coordinate fixed shell and front cover；
Housing bottom surface is provided with three back shroud locking holes, and for locking back shroud, wherein two is through hole, bonnet
Plate can penetrate the installation screw hole post that housing is locked at front cover；
Housing bottom surface battery compartment edge is provided with sealed muscle, for coordinating back shroud battery compartment seal groove and sealing ring to realize
It is required that sealing.
Back shroud two outlet knock-off hole, housing bottom surface high low pressure force samples mouth positions outside housing are left room；
Back shroud is provided with battery compartment seal groove and sealing ring in inner side corresponding housing battery bin location, coordinates housing to realize
It is required that sealing；
Back shroud bottom surface is provided with three locking counterbores in three locking hole sites of back shroud of corresponding housing, coordinates housing bottom
The corresponding three back shroud locking holes in face realize back shroud and housing locking, and wherein two insertion housing is locked at the installation of front cover
Screw hole post；
Back shroud bottom surface is additionally provided with two small mounting holes, and this two small mounting holes are nested that above cover locking is deep in housing two
Counterbore position, ingenious to realize location overlap multiplexing, this two mounting holes of back shroud are used to coordinate various installation fitting fixation tables
Body, it is possible to achieve surface, insertion, the installation of card are compatible.
There is liquid crystal display in main circuit board front, and liquid crystal display size conforms exactly to the display shield aperture size of front cover；
There are button, alarm lamp on main circuit board, it is each relative with front cover position of opening.
Sensor line plate is erect and is welded on main circuit board, and sensor line plate is arranged in the right lower quadrant of main circuit board, keeps away
Open housing battery bin location and be arranged in sensor line plate space.
The front cover is shaped as disc, diameter 73mm, provided with display screen, button, alarm lamp hole position, provided with main line
Plate locking hole post, housing locking hole post and back shroud insertion housing locking hole post, provided with housing seal ring recess and sealing ring, before
Veneer film before lid.
The hull shape is cylindrical shape, and diameter 66mm, depth 32mm, housing is in centre position provided with Double-layer double-row AA electricity
The outer impulse interface of each one group of two high low pressure of impulse interface, lateral surface/outer bottom in Chi Cang, two high low pressures, draw outside one group
Crimp mouth plug, an outer outlet knock-off hole, the position provided with sensor board, above bottom surface battery compartment sealed muscle, cover locking two
Three individual running-deep-hole, back shroud locking holes, three locking hole wherein twos of back shroud, which can penetrate, is locked to front cover.
The back shroud is shaped as disc, diameter 66mm, outlet knock-off hole, the housing outer bottom two outside corresponding housing
High low pressure force samples mouth position is left room, and in inner side, corresponding housing battery bin location is provided with housing battery compartment seal groove
And sealing ring, three housing locking holes are provided with three locking hole sites of back shroud of corresponding housing, in back shroud outer bottom also
Provided with two installed part mounting holes.
The main circuit board is shaped as disc.
The sensor line plate is box-shaped, there is two high low pressure force samples mouths on sensor.
Good effect of the present utility model is as follows：
The utility model innovation, the small-sized digital display multifunctional gas differential pressure gauge of the cell type of smart design, its precise structure are tight
Gather, ultra-thin 37mm installs thickness, installs and uses each side compatibility by force, is easy to upgrading to replace, especially suitable various compact installations；
The utility model uses battery powered, can be without external power supply, and the AA batteries of battery compatible conventional economy, number of batteries is up to four
Section, can be used continuously more than 2 years using alkaline high power capacity AA batteries；The utility model uses the micro electronmechanical differential pressure of novel high-precision
Sensor, circuit support abundant function；The utility model sealing reaches IP65, and environmental suitability is strong.
Brief description of the drawings
Fig. 1 is the utility model structure overview
Fig. 2 is the utility model front cover/main circuit board/sensor line plate front view
Fig. 3 is the utility model front cover/main circuit board/sensor line plate rearview
Fig. 4 is the utility model front cover/shell rear view
Fig. 5 is the utility model housing/back shroud rearview
Fig. 6 is the utility model housing/back shroud front view
In figure：
| 1 | Front cover facial mask | 2 | Front cover | 3 | Front cover sealing ring |
| 4 | Main circuit board | 5 | Sensor line plate | 6 | Housing |
| 7 | Housing optical sensor board space | 8 | Interior impulse interface | 9 | Outer impulse interface |
| 10 | Outer outlet knock-off hole | 11 | Back shroud | 12 | Back shroud sealing ring |
| 13 | Plug | 14 | Installed part | 15 | Housing battery compartment |
Embodiment
As shown in Fig. 1,2,3,4,5,6, the small-sized digital display multifunctional gas differential pressure gauge of cell type:Mainly include front cover
2nd, housing 6, back shroud 11 and main circuit board 4, sensor line plate 5；
There is oblong display screen hole among front cover 2, also have three button circular holes below display shield aperture, show shield aperture upper right
Portion is provided with the lamp hole of two small rectangles；
Veneer film 1 on front cover 2, facial mask 1 are showing shield aperture, lamp hole position not using high light-transmitting materials and silk-screen, facial mask 1
Silk-screen is left blank for display, and facial mask 1 silk-screen background color and design symbol outside display shield aperture, lamp hole, facial mask 1 is in button hole site silk-screen
Defined button sign；
There are the installation screw hole post of three main circuit boards 4 and the installation screw hole post of two housings 6 in the back side of front cover 2, also
There are two back shrouds 11 to penetrate the installation screw hole post that housing 6 locks front cover 2, front cover 2 also has seal groove and sealing ring 3
Sealing is required to coordinate housing 6 to realize；
Housing 6 is provided with Double-layer double-row AA battery compartments 15 in centre position, and the right side of battery compartment 15 is designed as sensor line plate
Space 7, the left side of battery compartment 15 are designed with impulse interface 8 and an outer outlet knock-off hole 10 in two high low pressures, and two high/low
Impulse interface 8 is connected to two high low pressure force samples mouths of correspondence on sensor line plate by interior impulse flexible pipe in pressure, electricity
The shape of pond storehouse 15 is provided with arc structure, arc structure matching circular battery, and arc structure can avoid interior impulse flexible pipe right angle from bending
Block, the connecting line of battery compartment 15 powers to main circuit board 4, outer outlet knock-off hole 10 can abate insertion lead go out；
Housing 6 has an impulse interface 9 outside two high low pressures respectively in lateral surface and outer bottom, impulse interface in high low pressure
8 and the outer impulse interface 9 of lateral surface, the high low pressure of outer bottom distinguish intercommunication, and be furnished with two plugs 13, can be flexibly using respectively
The outer impulse interface 9 of one high low pressure and block the outer impulse interface 9 of another each high low pressure；
Housing 6 is provided with two front covers 2 and locks running-deep-hole, the installation screw hole post with two housings 6 at the back side of front cover 2
It is corresponding, coordinate fixed shell 6 and front cover 2；
The bottom surface of housing 6 is provided with three locking holes of back shroud 11, and for locking back shroud 11, wherein two is insertion
Hole, back shroud 11 can penetrate the installation screw hole post that housing 6 is locked at front cover 2；
The edge of 6 bottom surface battery compartment of housing 15 is provided with sealed muscle, for coordinating the battery compartment seal groove of back shroud 11 and sealing
Circle 12, which is realized, requires sealing；
Back shroud 11 two outlet knock-off hole 10, housing bottom surface high low pressure force samples mouth positions 9 outside housing reserve sky
Position；
Back shroud 11 is provided with battery compartment seal groove and sealing ring 12, coordinates housing 6 to realize and requires sealing；
The bottom surface of back shroud 11 is provided with three locking counterbores, coordinates corresponding three locking holes of back shroud 11 in the bottom surface of housing 6 to realize
Back shroud 11 and housing 6 are locked, and wherein two insertion housing 6 is locked at the installation screw hole post of front cover 2；
The bottom surface of back shroud 11 is additionally provided with two small mounting holes, and this two small mounting holes are nested in the above cover lock of housing 6 two
Tight deep hole site, ingenious to realize location overlap multiplexing, this two mounting holes of back shroud 11 are used to coordinate various installation fittings
14 fix table body, it is possible to achieve surface, insertion, the installation of card are compatible；
There is liquid crystal display in the front of main circuit board 4, and liquid crystal display size conforms exactly to the display shield aperture size of front cover 2；
There are button, alarm lamp on main circuit board 4, it is each relative with the position of opening of front cover 2；
Sensor line plate 5 is erect and is welded on main circuit board 4, and sensor line plate 5 is arranged in the bottom right of main circuit board 4
Portion, avoid the position of battery compartment 15 of housing 6 and be arranged in sensor line plate space 7.
The front cover 2 is shaped as disc, diameter 73mm, provided with display screen, button, alarm lamp hole position, provided with main line
Road plate 4 locks hole post, housing 6 locks hole post and back shroud 11 penetrates housing 6 and locks hole post, provided with housing seal ring recess and sealing
Circle 3, veneer film 1 before front cover 2.
The housing 6 is shaped as cylindrical shape, diameter 66mm, depth 32mm, and housing 6 is provided with Double-layer double-row AA in centre position
The outer impulse interface 9, one of each one group of two high low pressure of impulse interface 8, lateral surface/outer bottom in 15, two high low pressures of battery compartment
Outer 13, the outer outlet knock-off holes 10 of impulse interface plug of group, it is the position 5 provided with sensor board, bottom surface battery compartment sealed muscle, preceding
Cover 2 locks 11 3 two running-deep-holes, back shroud locking holes, and 11 3 locking hole wherein twos of back shroud can penetrate locking
To front cover 2.
The back shroud 11 is shaped as disc, diameter 66mm, in the outer outlet knock-off hole 10 of corresponding housing 6, the outer bottom of housing 6
Two, the face position of high low pressure force samples mouth 9 is left room, and in inner side, the battery bin location 15 of corresponding housing 6 is provided with housing battery
Storehouse seal groove and sealing ring 12, three locking holes of housing 6 are provided with 11 3 locking hole sites of back shroud of corresponding housing 6,
Two mounting holes of installed part 14 are additionally provided with the outer bottom of back shroud 11.
The main circuit board 4 is shaped as disc.
The sensor line plate 5 is box-shaped, there is two high low pressure force samples mouths on sensor.
Back shroud 11 is opened during use, installs battery and locking back shroud 11, connects the outside high low pressure sampling pipe fetched
Impulse interface 9 outside to instrument high low pressure, and pacify by the way that 11 2 mounting holes of installed part 14 of back shroud and installed part 14 are fixed on demand
Dress, you can normal use.
Above-described is only preferred embodiment of the present utility model, and the explanation of above example is only intended to help and understood
Method and its core concept of the present utility model, it is not used to limit the scope of protection of the utility model, it is all in the utility model
Thought and principle within made any modification, equivalent substitution etc., should be included in the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of small-sized digital display multifunctional gas differential pressure gauge of cell type, it is characterized in that：Including front cover, housing, back shroud and master
Wiring board, sensor line plate；Front cover is provided with display shield aperture；Housing is provided with battery compartment, and battery compartment side is designed as sensor
Board space, battery compartment opposite side are designed with impulse interface and an outer outlet knock-off hole in high low pressure, drawn in high low pressure
Crimping mouth is connected to the corresponding high low pressure force samples mouth on sensor line plate by interior impulse flexible pipe；Back shroud is in housing
Outer outlet knock-off hole, housing bottom surface high low pressure force samples mouth position are left room；Back shroud be provided with battery compartment seal groove and
Sealing ring, housing is coordinated to realize sealing；Main circuit board front is provided with display screen, the display shield aperture of the identical front cover of screen size
Size；Sensor line plate weld is on main circuit board.
2. the small-sized digital display multifunctional gas differential pressure gauge of cell type according to claim 1, it is characterised in that：Before described
Lid is shaped as disc, provided with display screen, button, alarm lamp hole position, provided with main circuit board locking hole post, housing locking hole post and
Back shroud insertion housing locking hole post, provided with housing seal ring recess and sealing ring, veneer film before front cover.
3. the small-sized digital display multifunctional gas differential pressure gauge of cell type according to claim 1, it is characterised in that：The housing
Cylindrical shape is shaped as, housing is provided with impulse interface, two lateral surface high low pressures in Double-layer double-row AA battery compartments, two high low pressures
Outer impulse interface, the outer impulse interface of two outer bottom high low pressures, one group of outer impulse interface plug, an outer outlet knock-off hole, biography
Sensor Board position, bottom surface battery compartment sealed muscle, two above cover locking running-deep-hole, three back shroud locking holes.
4. the small-sized digital display multifunctional gas differential pressure gauge of cell type according to claim 1, it is characterised in that：The bonnet
Plate shape is disc, and back shroud is outside the outer outlet knock-off hole of corresponding housing outer bottom, two high low pressures of housing outer bottom
Impulse interface position is left room, and back shroud is provided with housing battery compartment seal groove and close in inner side corresponding housing battery bin location
Seal, back shroud are provided with three housing locking holes in three locking hole sites of back shroud of corresponding housing, and back shroud outer bottom is also
Provided with two installed part mounting holes.
5. the small-sized digital display multifunctional gas differential pressure gauge of cell type according to claim 1, it is characterised in that：The main line
Road plate shape is disc.
6. the small-sized digital display multifunctional gas differential pressure gauge of cell type according to claim 1, it is characterised in that：The sensing
Device wiring board is box-shaped, there is two high low pressure force samples mouths on sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881846.XU CN206920072U (en) | 2017-07-20 | 2017-07-20 | The small-sized digital display multifunctional gas differential pressure gauge of cell type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881846.XU CN206920072U (en) | 2017-07-20 | 2017-07-20 | The small-sized digital display multifunctional gas differential pressure gauge of cell type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920072U true CN206920072U (en) | 2018-01-23 |
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ID=61347919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881846.XU Active CN206920072U (en) | 2017-07-20 | 2017-07-20 | The small-sized digital display multifunctional gas differential pressure gauge of cell type |
Country Status (1)
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| CN (1) | CN206920072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609963A (en) * | 2019-02-25 | 2020-09-01 | 雅玛信过滤器株式会社 | Differential pressure detection device |
| CN115597771A (en) * | 2022-09-29 | 2023-01-13 | 深圳天润控制技术股份有限公司（Cn） | Sensor calibration method and high-precision calibration system device |
-
2017
- 2017-07-20 CN CN201720881846.XU patent/CN206920072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609963A (en) * | 2019-02-25 | 2020-09-01 | 雅玛信过滤器株式会社 | Differential pressure detection device |
| CN115597771A (en) * | 2022-09-29 | 2023-01-13 | 深圳天润控制技术股份有限公司（Cn） | Sensor calibration method and high-precision calibration system device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery type small digital display multi-function gas differential pressure gauge Effective date of registration: 20221214 Granted publication date: 20180123 Pledgee: Shenzhen Branch of China Merchants Bank Co.,Ltd. Pledgor: SHENZHEN TIANRUN CONTROL TECHNOLOGY CO.,LTD. Registration number: Y2022980027444 |