CN103868570B - Connecting structure for EVC300 intelligent volume corrector - Google Patents
Connecting structure for EVC300 intelligent volume corrector Download PDFInfo
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- CN103868570B CN103868570B CN201410016468.XA CN201410016468A CN103868570B CN 103868570 B CN103868570 B CN 103868570B CN 201410016468 A CN201410016468 A CN 201410016468A CN 103868570 B CN103868570 B CN 103868570B
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- support
- main casing
- upper lid
- evc300
- groove
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Abstract
The invention relates to a connecting structure for an EVC300 intelligent volume corrector. The connecting structure for the corrector comprises an upper cover and a main shell, wherein capacitive touch keys and a liquid display panel are arranged in the upper cover; a protective cover and a circuit board are arranged in the main shell; an output interface is formed in the lateral surface of the main shell; a first bracket is fixedly arranged on one side of the main shell, and a second bracket is fixedly arranged on the same side of the upper cover; two parallel lifting grooves are formed in the first bracket; two supports are connected to the first bracket, and correspond to the lifting grooves one to one; sliding blocks are arranged on the two supports; a connecting plate is connected to the second bracket, and is hinged to the two supports through hinge shafts; the distance between each hinge shaft and the nearest lateral surface of the upper cover is not greater than the length of each lifting groove. The connecting structure has the beneficial effects that a rigid connecting structure is additionally arranged between the upper cover and the main shell based on a flexible electric connecting wire, so that the electric connecting wire is difficult to damage when being pulled by external force, and the EVC300 intelligent volume corrector is convenient to overhaul and maintain.
Description
Technical field
The present invention relates to a kind of combustion gas calibrated meter, especially relate to the evc300 intelligence of a kind of easy accessibility, easy access
The attachment structure of energy volume correction instrument.
Background technology
With the sustainable development of gas industry, the metering of natural gas is more and more important, the collection of natural gas, process,
In storage, transport and assigning process, need millions of flowmeters, some of which flowmeter outturn is huge, to survey
The amount degree of accuracy and reliability requirement are especially high.Because natural gas is a kind of compressible fluid, as the stream of one-time detection instrument
Gauge is merely capable of detecting gas volume amount under operating mode in itself it is impossible to gas volume amount under providing standard state, to natural
The metering of gas brings very big inconvenience.In order to more accurately measure it is necessary to have a kind of can be with the temperature of on-line checking gas, pressure
And flow signal, and carry out compressibility factor correction and flow automatic tracking and compensating automatically, operating mode volume is converted into standard shape
The instrument of state volume, just creates volume correction instrument under this background.Gas volume corrector is mainly used to on-line monitoring
The signals such as the temperature of gas, pressure, flow, and carry out compressibility factor correction and flow automatic tracking and compensating automatically, it is special pin
Industrial big flow gas meter, flow meter metered volume is carried out with the measuring instrumentss of temperature and pressure compensation.
Evc300 intelligence volume correction instrument can easily with gas turbine meter, gas roots flowmeter, diaphragm gas
Table is supporting, the operating mode volume of mechanical gas table institute meter gaseous is converted into marking the volume of condition, meets the number to combustion gas for the client
Word metering and demand for control.Existing evc300 intelligence volume correction instrument is made up of upper lid and main casing, internal arranging electronic unit
Device, upper lid and main casing are connected by electrical connection, and are bolted.Because evc300 intelligence volume correction instrument is
High accuracy precision instrument, needs periodic maintenance and maintenance, and this is accomplished by often opening lid and main casing, to correction instrument inside device
Part carries out situation investigation, but because upper lid and main casing are connected by electrical connection, after upper lid is pulled down, electrical connection is easily subject to outer
Power involves and damages, and such as notification number is: one kind that the Chinese invention patent of cn201662411u provides has Wireless Data Transmission
The volume correction instrument of function, including shell, pressure sensor interface, temperature sensor interface and in order to according to pressure signal, temperature
Spend signal and flow signal is modified the processor of calculating, pressure sensor interface and temperature sensor interface are arranged outside
On shell, processor is located inside the shell, and shell is provided with to show the display window of correction value, and volume correction instrument also includes
Gprs/gsm communication module and radio-frequency communication module, shell is installed radio-frequency antenna and gprs/gsm antenna, and gprs/gsm communicates
Module and radio-frequency communication module are all connected with processor, and gprs/gsm communication module is connected with gprs/gsm antenna, radio communication
Module is connected with radio-frequency antenna, and gprs/gsm communication module and radio-frequency communication module are all connected with power module；Power module leads to
Cross filter circuit to be connected with processor.The shell of this volume correction instrument is connected by electrical connection with main casing, under disassembling shell
After coming, there is the problem that electrical connection is easily damaged.
Content of the invention
The present invention is primarily directed to the problem that the electrical connection existing for existing volume correction instrument is easily damaged, and provides a kind of energy
Enough effective protection electrical connection, prevent the attachment structure of the intelligent volume correction instrument of the evc300 that electrical connection is damaged.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: a kind of evc300 intelligent body
The attachment structure of long-pending correction instrument, including on lid and main casing, be provided with capacitance touch button and LCD panel, main casing in upper lid
Inside it is provided with protective cover and wiring board, the side of main casing is provided with output interface, and the side of described main casing is installed with first
Frame, the same side of upper lid is installed with second support, first support offers parallel two lifting groove, first support connects
There are two bearings, bearing is corresponded with lifting groove, two bearings are provided with the slide block being contained in corresponding lifting groove, the
Connecting plate is connected with two supports, connecting plate is hinged with two bearings by hinge, the distance of the nearest side of the supreme lid of hinge
It is not more than the length lifting groove.This evc300 intelligence volume correction instrument increased first support and the between upper lid and main casing
Two supports, first support and second support connects bearing and connecting plate respectively, and hinged by hinge, the slide block on bearing can be
Slide in lifting groove.This attachment structure comprises two use states, and in upper lid closure fixing with main casing, slide block is located at lifting
Trench bottom, when needing to open upper lid, pulls up lid, second support, connecting plate and bearing with move, make slide block along
Lifting groove is mobile to be made lid be separated with main casing, afterwards turns over lid to lifting groove top, now can be to correction instrument inside unit device
Part is overhauled, and between upper lid and main casing on flexible electrical connection basis, has added the attachment structure of rigidity, outside being subject to
Power involves down, and electrical connection is not easy to damage.When needing to make upper lid and main casing closure, reverse flip simultaneously pushes down on lid,
Make slide block along lifting groove mobile extremely lifting trench bottom, return back to closure state.The distance of the nearest side of the supreme lid of hinge is not
More than lifting groove length it is ensured that upper lid at least can overturn to vertical with main casing, upper lid switching process will not be subject to main casing
Soma relates to.
Preferably, being provided with three installation bases in described main casing body, first support is " l " shape plate, first support
Base plate offers three installing holes, and installing hole is corresponded with installation base, and first support passes through bolt and installation base
Fixing, two lifting grooves are vertically arranged in facing directly of first support." l " shape first support structural strength is higher, first support
Fixed with installation base by bolt.
Preferably, being provided with three installation bases in described main casing body, second support is " l " shape plate, second support
Base plate offer three installing holes, installing hole is corresponded with installation base, and second support passes through bolt and installation
Boss is fixed, and is provided with floor between the base plate of second support and straight panel." l " shape second support structural strength is higher, second
Frame is fixed with installation base by bolt, and floor strengthens the structural strength of second support.
Preferably, the both sides of described first support are equipped with side rib, the upper end of side rib is anti-interference inclined-plane.Side rib adds
The strong structural strength of first support, in upper lid upset, anti-interference inclined-plane can make lid smoothly overturn, and not done by side rib
Relate to.
Preferably, the shell wall of described main casing is provided with draw-in groove, the shell wall of upper lid is provided with and can be contained in draw-in groove
Sealed muscle, sealed muscle and draw-in groove are to be engaged by clamping.Intelligent volume correction instrument is precision instrument, for preventing the impurity such as water smoke or dust
Enter intelligent volume correction instrument it is necessary to preferably be sealed to intelligent volume correction instrument.Sealed muscle is matched with draw-in groove, upper
When lid is fixing with main casing, can preferably play sealing function.
Preferably, four corners of described upper lid and main casing are equipped with fixing hole, upper lid passes through four bolts
Fix with main casing.Upper lid is fixed with main casing by four bolts, technology maturation, fix stably.
Preferably, described upper lid and main casing are made by Merlon.
Therefore, the invention has the beneficial effects as follows: between upper lid and main casing on the basis of flexible electrical connection, add
The attachment structure of rigidity, under being involved by external force, electrical connection is not easy to damage, and is easy to the inspection of evc300 intelligence volume correction instrument
Repair and safeguard.
Brief description
Accompanying drawing 1 is a kind of structural representation under closure state of the present invention；
Accompanying drawing 2 is a kind of structural representation under open mode of the present invention；
Accompanying drawing 3 is the side view of accompanying drawing 2；
Accompanying drawing 4 is a kind of structural representation of attachment structure between upper lid and main casing in the present invention；
Accompanying drawing 5 is the side view of accompanying drawing 4.
Shown in figure: on 1-, lid, 2- main casing, 3- first support, 4- second support, 5- lifting groove, 6- bearing, 7- are slided
Block, 8- connecting plate, 9- installing hole, 10- installing hole, 11- floor, 12- side rib, 13- draw-in groove, 14- sealed muscle, 15- fix
Hole.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment:
As shown in Figure of description 1,2,3, a kind of attachment structure of evc300 intelligence volume correction instrument, including on cover 1 He
Main casing 2, upper lid 1 and main casing 2 are made by Merlon, are provided with capacitance touch button and LCD panel in upper lid 1, main
It is provided with protective cover and wiring board, the side of main casing 2 is provided with output interface, and the shell wall of main casing 2 is provided with draw-in groove 13 in housing 2,
The shell wall of upper lid 1 is provided with the sealed muscle 14 being contained in draw-in groove 13, and sealed muscle 14 and draw-in groove 13 are to be engaged by clamping, upper lid 1
It is equipped with fixing hole 15 with four corners of main casing 2, upper lid 1 passes through four bolts to be fixed with main casing 2, main casing 2
Side is installed with first support 3, and the same side of upper lid 1 is installed with second support 4, is provided with three installation bases in main casing 2,
Second support 4 is " l " shape plate, and the base plate of second support 4 offers three installing holes 10, installing hole 10 and installation base
Correspond, second support 4 is fixed with installation base by bolt, is provided with floor between the base plate of second support 4 and straight panel
11, it is provided with three installation bases in main casing 2, first support 3 is " l " shape plate, the base plate of first support 3 offers three peaces
Dress hole 9, installing hole 9 is corresponded with installation base, and first support 3 is fixed with installation base by bolt, first support 3
Both sides be equipped with side rib 12, the upper end of side rib 12 is anti-interference inclined-plane, as shown in Figure of description 4,5, first support 3 straight
Parallel two lifting groove 5 is offered on face, first support 3 is connected with two bearings 6, a pair of bearing 6 and lifting groove 5 one
Should, two bearings 6 are provided with the slide block 7 being contained in corresponding lifting groove 5, and bearing 6 passes through bolt admittedly with corresponding slide block 7
Fixed, second support 4 is bolted connecting plate 8, connecting plate 8 is hinged with two bearings 6 by hinge, the supreme lid of hinge
The distance of 1 nearest side is not more than the length lifting groove 5.
This evc300 intelligence volume correction instrument increased first support and second support in upper lid and main casing between, and first
Support and second support connects bearing and connecting plate respectively, and hinged by hinge, and the slide block on bearing can be sliding in lifting groove
Dynamic.This attachment structure comprises two use states, as shown in Figure of description 1, in upper lid closure fixing with main casing, slide block
It is located at lifting trench bottom, as shown in Figure of description 2, when needing to open upper lid, pull up lid, second support, connection
Plate and bearing with move, make slide block along lifting groove mobile to lifting groove top, so that lid is separated with main casing, afterwards turn over
Upper lid, now can overhaul to correction instrument internal component, between upper lid and main casing on flexible electrical connection basis, plus
If the attachment structure of rigidity, under being involved by external force, electrical connection is not easy to damage.When needing to make upper lid and main casing closure
When, reverse flip simultaneously pushes down on lid, makes slide block along lifting groove mobile extremely lifting trench bottom, returns back to closure state.Hinge
The distance of the nearest side of the supreme lid of axle be not more than lift groove length it is ensured that upper lid at least can overturn to main casing hang down
Directly, upper lid switching process will not be interfered by main casing.
It should be understood that this embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After having read the content of present invention instruction, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (5)
1. the attachment structure of a kind of evc300 intelligence volume correction instrument, including on lid (1) and main casing (2), be provided with upper lid (1)
Capacitance touch button and LCD panel, are provided with protective cover and wiring board in main casing (2), the side of main casing (2) is provided with defeated
, it is characterised in that the side of described main casing (2) is installed with first support (3), the same side of upper lid (1) is fixed for outgoing interface
There is second support (4), first support (3) offers parallel two lifting groove (5), first support is connected with two on (3)
Bearing (6), bearing (6) is corresponded with lifting groove (5), and two bearings (6) are provided with and can be contained in corresponding lifting groove (5)
Slide block (7), second support (4) is connected with connecting plate (8), connecting plate (8) pass through hinge hinged with two bearings (6), cut with scissors
The distance of the nearest side of the supreme lid of axle (1) no more than lifts the length of groove (5), is provided with three peaces in described main casing (2)
Dress boss, first support (3) is " l " shape plate, and the base plate of first support (3) offers three installing holes (9), installing hole (9)
Correspond with installation base, first support (3) is fixed with installation base by bolt, two liftings groove (5) are vertically arranged
It is provided with three installation bases in facing directly of first support (3), described upper lid (1), second support (4) is " l " shape plate,
The base plate of second support (4) offers three installing holes (10), and installing hole (10) is corresponded with installation base, and second
Support (4) is fixed with installation base by bolt, is provided with floor (11) between the base plate of second support (4) and straight panel.
2. a kind of attachment structure of evc300 intelligence volume correction instrument according to claim 1 is it is characterised in that described
The both sides of first support (3) are equipped with side rib (12), and the upper end of side rib (12) is anti-interference inclined-plane.
3. a kind of attachment structure of evc300 intelligence volume correction instrument according to claim 1 and 2 is it is characterised in that institute
The shell wall of the main casing (2) stated is provided with draw-in groove (13), and the shell wall of upper lid (1) is provided with the sealed muscle being contained in draw-in groove (13)
(14), sealed muscle (14) and draw-in groove (13) are to be engaged by clamping.
4. a kind of attachment structure of evc300 intelligence volume correction instrument according to claim 1 and 2 is it is characterised in that institute
The upper lid (1) stated and four corners of main casing (2) are equipped with fixing hole (15), and upper lid (1) passes through four bolts and main casing
Body (2) is fixing.
5. a kind of attachment structure of evc300 intelligence volume correction instrument according to claim 1 is it is characterised in that described
Upper lid (1) and main casing (2) are made by Merlon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016468.XA CN103868570B (en) | 2014-01-15 | 2014-01-15 | Connecting structure for EVC300 intelligent volume corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016468.XA CN103868570B (en) | 2014-01-15 | 2014-01-15 | Connecting structure for EVC300 intelligent volume corrector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103868570A CN103868570A (en) | 2014-06-18 |
| CN103868570B true CN103868570B (en) | 2017-01-18 |
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ID=50907346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410016468.XA Active CN103868570B (en) | 2014-01-15 | 2014-01-15 | Connecting structure for EVC300 intelligent volume corrector |
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| Country | Link |
|---|---|
| CN (1) | CN103868570B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982246B (en) * | 2020-07-30 | 2023-01-10 | 济宁市计量测试所 | Small gas flowmeter verification and calibration device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912947A (en) * | 2006-06-30 | 2007-02-14 | 常州信力燃气设备有限公司 | Output converter of gas volume corrector |
| CN101762300A (en) * | 2009-12-30 | 2010-06-30 | 天信仪表集团有限公司 | Volume correction instrument with wireless data transmission function |
| CN202362030U (en) * | 2011-11-24 | 2012-08-01 | 河南新天科技股份有限公司 | Intelligent corrector for gas volume |
| CN203672462U (en) * | 2014-01-15 | 2014-06-25 | 浙江苍南仪表厂 | Overturning structure of EVC300 intelligent volume correction instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7486495B1 (en) * | 2005-05-25 | 2009-02-03 | Cameron International Corporation | Networked series of sensors having distributed measurement and control for use in a hazardous environment |
-
2014
- 2014-01-15 CN CN201410016468.XA patent/CN103868570B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912947A (en) * | 2006-06-30 | 2007-02-14 | 常州信力燃气设备有限公司 | Output converter of gas volume corrector |
| CN101762300A (en) * | 2009-12-30 | 2010-06-30 | 天信仪表集团有限公司 | Volume correction instrument with wireless data transmission function |
| CN202362030U (en) * | 2011-11-24 | 2012-08-01 | 河南新天科技股份有限公司 | Intelligent corrector for gas volume |
| CN203672462U (en) * | 2014-01-15 | 2014-06-25 | 浙江苍南仪表厂 | Overturning structure of EVC300 intelligent volume correction instrument |
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| Publication number | Publication date |
|---|---|
| CN103868570A (en) | 2014-06-18 |
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| CB02 | Change of applicant information |
Address after: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Applicant after: ZHEJIANG CANGNAN INSTRUMENT GROUP Co.,Ltd. Address before: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Applicant before: Zhejiang Cangnan Instrument Co.,Ltd. Address after: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Applicant after: Zhejiang Cangnan Instrument Co.,Ltd. Address before: Lingxi Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Applicant before: Zhejiang Cangnan Instrument Factory |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Patentee after: ZHEJIANG CANGNAN INSTRUMENT GROUP CO.,LTD. Address before: Lingxizhen Industrial Demonstration Park in Cangnan County of Wenzhou City, Zhejiang province 325800 Patentee before: ZHEJIANG CANGNAN INSTRUMENT GROUP Co.,Ltd. |