CN111623840A - Thermal flowmeter - Google Patents
Thermal flowmeter Download PDFInfo
- Publication number
- CN111623840A CN111623840A CN202010385481.8A CN202010385481A CN111623840A CN 111623840 A CN111623840 A CN 111623840A CN 202010385481 A CN202010385481 A CN 202010385481A CN 111623840 A CN111623840 A CN 111623840A
- Authority
- CN
- China
- Prior art keywords
- fixed mounting
- plate
- connecting rod
- flowmeter
- flow meter
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
Abstract
The invention discloses a thermal flowmeter which comprises a bottom plate, wherein a first fixing plate is fixedly arranged on the left part of the upper end and the right part of the upper end of the bottom plate, an arc-shaped plate is fixedly arranged on the upper sides of the upper parts of the opposite surfaces of the two first fixing plates together, a circulating device is arranged in an inner cavity of the arc-shaped plate, a measuring device is arranged on the upper side of the middle part of the outer surface of the circulating device, a second fixing plate is fixedly arranged on the lower parts of the opposite surfaces of the two first fixing plates together, a sliding device is arranged on the groove walls of the two sliding grooves together, a first clamping device is arranged on the rear part of the upper end of the sliding device, and a second. According to the thermal flowmeter, the sliding plate drives the first clamping plate and the second clamping plate to approach each other, the first flange plate and the second flange plate are squeezed and clamped mutually, separation between the connecting pipeline and the pipeline is prevented, and the measuring accuracy of the flowmeter is guaranteed.
Description
Technical Field
The invention relates to the field of thermal flow meter equipment, in particular to a thermal flow meter.
Background
The thermal flowmeter adopts a thermal diffusion principle, the thermal diffusion technology is a technology with excellent performance and high reliability under severe conditions, when two temperature sensors are arranged in a medium, one of the temperature sensors is heated to a temperature above the ambient temperature, the other temperature sensor is used for sensing the temperature of the medium, the flow velocity of the medium is increased, the heat taken away by the medium is increased, the temperature difference of the two temperature sensors changes along with the change of the flow velocity of the medium, the flow Q of the fluid can be obtained according to the proportional relation of the temperature difference and the flow velocity of the medium, most of the thermal flowmeter is used for measuring gas, only a small amount of thermal flowmeters are used for measuring tiny liquid flow, at present, the flowmeter is usually fixedly arranged on a pipeline by bolts, and the bolts are easy to loosen after long-time use, so that the flowmeter is separated from the pipeline, and the measurement precision is reduced, meanwhile, after the flowmeter is not used for a long time, dust is easily attached to the surface of the display screen, and the display effect is reduced.
Disclosure of Invention
The invention mainly aims to provide a thermal type flowmeter which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a thermal flowmeter comprises a bottom plate, wherein a first fixing plate is fixedly arranged at the left part and the right part of the upper end of the bottom plate, an arc-shaped plate is fixedly arranged at the upper sides of the opposite surfaces of the two first fixing plates, a circulating device is arranged in the inner cavity of the arc-shaped plate, a measuring device is arranged on the upper side of the middle part of the outer surface of the circulating device, a second fixing plate is fixedly arranged on the lower parts of the opposite surfaces of the two first fixing plates, the upper end of the second fixing plate is provided with a groove, the left parts of the front and rear groove walls and the right parts of the front and rear groove walls of the groove are both fixedly provided with a third fixing plate, the opposite surfaces of the two third fixing plates are both provided with a sliding groove, the groove walls of the two sliding grooves are both provided with a sliding device, the rear part of the upper end of the sliding device is provided with a first clamping device, and the front part of the upper end of the sliding device is provided with a second clamping device.
Preferably, the circulation device comprises a connecting pipeline, a first flange plate is fixedly mounted at the left end of the connecting pipeline, a second flange plate is fixedly mounted at the right end of the connecting pipeline, and the connecting pipeline is placed in an inner cavity of the arc plate to movably connect the circulation device with the arc plate.
Preferably, measuring device is including fixed pipe, the upper end fixed mounting of fixed pipe has the flowmeter, the front end upper portion interlude of flowmeter is connected with first bull stick, the surface rear portion fixed mounting of first bull stick has the visor, the anterior fixed mounting of surface of first bull stick has the handle, fixed pipe fixed mounting is in the same place measuring device and circulation device fixed connection at the surface middle part upside of circulation device.
Preferably, slider includes positive and negative threaded rod, the equal threaded connection in surface front portion and the surface rear portion of positive and negative threaded rod has a slide, two the right part of slide alternates jointly and is connected with the gag lever post, positive and negative threaded rod runs through the front side cell wall and the fixed mounting of spout has positive and negative motor, positive and negative threaded rod alternates to be connected around the spout in left side cell wall with slider and third fixed plate swing joint.
Preferably, first chucking device includes the head rod, the head rod is provided with two sets ofly, and the common fixed mounting in upper end of two sets of head rods has first fly leaf, the equal fixedly connected with second connecting rod of the upper end left part and the upper end right part of first fly leaf, two the equal fixed mounting in upper end of second connecting rod has a first chucking board, two the head rod is fixed mounting respectively and is first chucking device and slider fixed connection in slider's upper end rear portion left side and upper end rear portion right side.
Preferably, the second clamping device includes the third connecting rod, the third connecting rod is provided with two sets ofly, and the common fixed mounting in upper end of two sets of third connecting rods has the second fly leaf, the upper end left part and the equal fixedly connected with fourth connecting rod of upper end right part of second fly leaf, two the equal fixed mounting in upper end of fourth connecting rod has a second clamping plate, two the third connecting rod is fixed mounting respectively with second clamping device and slider fixed connection in the anterior left side in upper end and the anterior right side in upper end of slider.
Preferably, the fixed pipe communicates with the inside of the flow-through device.
Preferably, the lower rear end of the protective cover is in contact with the upper front end of the flowmeter.
Compared with the prior art, the invention has the following beneficial effects:
1. set up the arc and play limiting displacement to the connecting tube, it is fixed with other pipelines to be provided with first ring flange and second ring flange through the left and right sides at first connecting pipe, extrude the chucking to first ring flange and second ring flange each other when driving first chucking board and second chucking board through the slide and being close to each other, prevent to take place to break away from between connecting tube and the pipeline, ensured flowmeter's measurement accuracy.
2. The handle is driven to rotate manually, so that the first rotating rod is driven to rotate, the protective cover is driven to rotate around the clockwise rotating degree of the first rotating rod, the protective cover just rotates to the front of the flowmeter, the display screen of the flowmeter is isolated from the external environment, and external dust is prevented from being attached to the surface of the display screen, and the display effect of the flowmeter is guaranteed.
Drawings
Fig. 1 is an overall structural view of a thermal type flow meter of the present invention;
FIG. 2 is a view showing an overall configuration of a sliding device of a thermal flowmeter according to the present invention;
fig. 3 is an overall structural view of a first clamping device of a thermal flowmeter according to the present invention;
FIG. 4 is an overall view of a second clamping mechanism of the thermal flowmeter of the present invention;
fig. 5 is an overall structural view of a measuring apparatus of a thermal type flow meter according to the present invention;
fig. 6 is an overall configuration diagram of a flow device of a thermal flowmeter according to the present invention.
In the figure: 1. a base plate; 2. a first fixing plate; 3. an arc-shaped plate; 4. a flow-through device; 5. a measuring device; 6. a second fixing plate; 7. a groove; 8. a third fixing plate; 9. a chute; 10. a sliding device; 11. a first clamping device; 12. a second clamping device; 41. connecting a pipeline; 42. a first flange plate; 43. a second flange plate; 51. a fixed tube; 52. a flow meter; 53. a first rotating lever; 54. a protective cover; 55. a handle; 101. a positive and negative threaded rod; 102. a slide plate; 103. a limiting rod; 104. a positive and negative motor; 111. a first connecting rod; 112. a first movable plate; 113. a second connecting rod; 114. a first chucking plate; 121. a third connecting rod; 122. a second movable plate; 123. a fourth connecting rod; 124. and a second clamping plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, a thermal flowmeter comprises a bottom plate 1, a first fixing plate 2 is fixedly installed on the left portion of the upper end and the right portion of the upper end of the bottom plate 1, an arc plate 3 is fixedly installed on the upper sides of the upper portions of the opposite surfaces of the two first fixing plates 2, the arc plate 3 is semicircular in shape, the arc plate 3 is arranged to limit a circulating device 4 to prevent the circulating device 4 from deviating from the position, a circulating device 4 is arranged in the inner cavity of the arc plate 3, a measuring device 5 is arranged on the upper side of the middle portion of the outer surface of the circulating device 4, a second fixing plate 6 is fixedly installed on the lower portions of the opposite surfaces of the two first fixing plates 2, a groove 7 is formed in the upper end of the second fixing plate 6, a third fixing plate 8 is fixedly installed on the left portion of the front and back groove walls of the groove 7 and on the right portion of, the groove walls of the two sliding grooves 9 are provided with a sliding device 10 together, the rear part of the upper end of the sliding device 10 is provided with a first clamping device 11, and the front part of the upper end of the sliding device 10 is provided with a second clamping device 12.
The circulating device 4 comprises a connecting pipeline 41, a first flange 42 is fixedly mounted at the left end of the connecting pipeline 41, a second flange 43 is fixedly mounted at the right end of the connecting pipeline 41, which can be tightly connected with other pipelines, of the connecting pipeline 41 through the first flange 42, and the connecting pipeline 41 is placed in the inner cavity of the arc-shaped plate 3 to movably connect the circulating device 4 with the arc-shaped plate 3.
Measuring device 5 includes fixed pipe 51, fixed pipe 51's upper end fixed mounting has flowmeter 52, thermal type flowmeter 52 is one kind and adopts the heat diffusion principle, can carry out measuring instrument to fluid flow, flowmeter 52's front end upper portion interlude is connected with first bull stick 53, the surface rear portion fixed mounting of first bull stick 53 has visor 54, visor 54 plays the guard action to flowmeter 52, the anterior fixed mounting in surface of first bull stick 53 has handle 55, fixed pipe 51 fixed mounting is in the same place measuring device 5 and circulation device 4 fixed connection at the surface middle part upside of circulation device 4.
First chucking device 11 includes head rod 111, head rod 111 is provided with two sets ofly, and the common fixed mounting in upper end of two sets of head rod 111 has first fly leaf 112, the equal fixedly connected with second connecting rod 113 of the upper end left part and the upper end right part of first fly leaf 112, the equal fixed mounting in upper end of two second connecting rods 113 has a first chucking plate 114, first chucking plate 114 carries out the chucking with circulating device 4 and other pipelines fixed, stability is improved, two head rod 111 respectively fixed mounting be with first chucking device 11 and slider 10 fixed connection in slider 10's upper end rear portion left side and upper end rear portion right side.
The second clamping device 12 comprises a third connecting rod 121, the third connecting rod 121 is provided with two groups, the upper ends of the two groups of third connecting rods 121 are fixedly provided with a second movable plate 122 together, the upper left part and the upper right part of the second movable plate 122 are fixedly connected with a fourth connecting rod 123, the upper ends of the two fourth connecting rods 123 are fixedly provided with a second clamping plate 124, the second clamping plate 124 clamps and fixes the circulating device 4 and other pipelines, the stability is improved, and the two third connecting rods 121 are fixedly arranged on the left side of the front part of the upper end and the right side of the front part of the upper end of the sliding device 10 to fixedly connect the second clamping device 12 with the sliding device 10.
The fixed pipe 51 communicates with the inside of the flow-through device 4.
The rear lower end of the protective cover 54 is in contact with the front upper end of the flow meter 52.
It should be noted that, the present invention is a thermal flowmeter, the connecting pipe 41 is placed in the arc plate 3, the arc plate 3 is semicircular, the arc plate 3 is arranged to limit the connecting pipe 41, and prevent the position of the circulating device 4 from shifting, the connecting pipe 41 and other pipes are fixed by arranging the first flange 42 and the second flange 43 on the left and right sides of the connecting pipe 41, when loosening occurs, the positive and negative threaded rod 101 is driven by the positive and negative motor 104 to rotate, so as to drive the sliding plates 102 on the front and back sides to approach each other when sliding back and forth along the positive and negative threaded rod 101, the limiting rod 103 is arranged to limit the sliding plates 102, so as to improve the stability of the sliding plates 102 when sliding back and forth, the first connecting rod 111 and the third connecting rod 121 are driven to approach each other when sliding back and forth the sliding plate 102, and the second connecting rod 113 and the fourth connecting rod 123 are driven to approach each other when the first movable plate 112 and the second movable plate 122 are driven to approach each other, and then drive first chucking plate 114 and second chucking plate 124 and extrude the chucking each other to first ring flange 42 and second ring flange 43 when being close to each other, prevent to take place to break away from between connecting tube 41 and the pipeline, flowmeter 52's measurement accuracy has been ensured, rotate through manual drive handle 55, thereby drive first bull stick 53 and rotate, and then drive visor 54 and rotate 180 degrees around first bull stick 53 clockwise, visor 54 just rotates flowmeter 52 dead ahead this moment, thereby make flowmeter 52's display screen position in external environment isolated, prevent that outside dust from attaching to the surface at the display screen, ensure flowmeter 52's display effect.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. Thermal flowmeter comprising a base plate (1), characterized in that: the upper end left part and the upper end right part of the bottom plate (1) are fixedly provided with a first fixing plate (2), the upper sides of the opposite surfaces of the two first fixing plates (2) are fixedly provided with an arc-shaped plate (3) together, the inner cavity of the arc-shaped plate (3) is provided with a circulating device (4), the upper side of the middle part of the outer surface of the circulating device (4) is provided with a measuring device (5), the lower parts of the opposite surfaces of the two first fixing plates (2) are fixedly provided with a second fixing plate (6) together, the upper end of the second fixing plate (6) is provided with a groove (7), the front and rear groove wall left parts and the front and rear groove wall right parts of the groove (7) are fixedly provided with a third fixing plate (8), the opposite surfaces of the two third fixing plates (8) are provided with a sliding chute (9), and the groove walls of the two, the upper end rear part of the sliding device (10) is provided with a first clamping device (11), and the upper end front part of the sliding device (10) is provided with a second clamping device (12).
2. A thermal flow meter according to claim 1, characterized in that: circulation device (4) are including connecting tube (41), the left end fixed mounting of connecting tube (41) has first ring flange (42), the right-hand member fixed mounting of connecting tube (41) has second ring flange (43), the inner chamber of placing in arc (3) connecting tube (41) will circulate device (4) and arc (3) swing joint.
3. A thermal flow meter according to claim 1, characterized in that: measuring device (5) is including fixed pipe (51), the upper end fixed mounting of fixed pipe (51) has flowmeter (52), the front end upper portion interlude of flowmeter (52) is connected with first bull stick (53), the surface rear portion fixed mounting of first bull stick (53) has visor (54), the anterior fixed mounting of surface of first bull stick (53) has handle (55), fixed pipe (51) fixed mounting is in the same place measuring device (5) and circulation device (4) fixed connection at the surface middle part upside of circulation device (4).
4. A thermal flow meter according to claim 1, characterized in that: slider (10) are including positive and negative threaded rod (101), the surface front portion and the equal threaded connection in surface rear portion of positive and negative threaded rod (101) have one slide (102), two the right part of slide (102) alternates jointly and is connected with gag lever post (103), positive and negative threaded rod (101) run through the front side cell wall and the fixed mounting of spout (9) have positive and negative motor (104), positive and negative threaded rod (101) alternate and connect around spout (9) in the left side cell wall with slider (10) and third fixed plate (8) swing joint.
5. A thermal flow meter according to claim 1, characterized in that: first chucking device (11) include head rod (111), head rod (111) are provided with two sets ofly, and the common fixed mounting in upper end of two sets of head rod (111) has first fly leaf (112), the equal fixedly connected with second connecting rod (113) in upper end left part and the upper end right part of first fly leaf (112), two the equal fixed mounting in upper end of second connecting rod (113) has a first chucking board (114), two head rod (111) respectively fixed mounting with first chucking device (11) and slider (10) fixed connection in upper end rear portion left side and upper end rear portion right side of slider (10).
6. A thermal flow meter according to claim 1, characterized in that: second chucking device (12) includes third connecting rod (121), third connecting rod (121) are provided with two sets ofly, and the common fixed mounting in upper end of two sets of third connecting rod (121) has second fly leaf (122), the equal fixedly connected with fourth connecting rod (123) of upper end left part and the upper end right part of second fly leaf (122), two the equal fixed mounting in upper end of fourth connecting rod (123) has a second chucking board (124), two third connecting rod (121) respectively fixed mounting be with second chucking device (12) and slider (10) fixed connection in the anterior left side in upper end and the anterior right side in upper end of slider (10).
7. A thermal flow meter according to claim 3, characterized in that: the fixed pipe (51) is communicated with the inside of the circulating device (4).
8. A thermal flow meter according to claim 3, characterized in that: the lower rear end of the protective cover (54) is in contact with the upper front end of the flowmeter (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385481.8A CN111623840A (en) | 2020-05-09 | 2020-05-09 | Thermal flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385481.8A CN111623840A (en) | 2020-05-09 | 2020-05-09 | Thermal flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623840A true CN111623840A (en) | 2020-09-04 |
Family
ID=72260049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010385481.8A Pending CN111623840A (en) | 2020-05-09 | 2020-05-09 | Thermal flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623840A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082861A (en) * | 2020-09-10 | 2020-12-15 | 衡阳市衡山科学城科技创新服务有限公司 | Pressure adjusting and testing device for cross-coupling ceramic dielectric filter |
| CN112229953A (en) * | 2020-10-09 | 2021-01-15 | 建德南方水泥有限公司 | Denitration ammonia escape detection device |
| CN112780244A (en) * | 2021-01-14 | 2021-05-11 | 江阴亿达机械制造有限公司 | Oil drilling and production fracturing equipment hydraulic cylinder assembly precision component |
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| CN110940387A (en) * | 2019-12-13 | 2020-03-31 | 西安致开工业自动化工程有限公司 | External clamp for ultrasonic flowmeter |
| CN210400496U (en) * | 2019-05-22 | 2020-04-24 | 杭州科晖智能科技有限公司 | Mass flow meter easy to assemble and connect |
| CN210464587U (en) * | 2019-09-30 | 2020-05-05 | 盘锦云飞石油设备有限公司 | Flowmeter convenient to installation |
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| CN207095638U (en) * | 2017-08-03 | 2018-03-13 | 天津市旭永诚科技有限公司 | A kind of vortex-shedding meter of convenient installation |
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| CN208238872U (en) * | 2018-04-28 | 2018-12-14 | 上海水表厂 | A kind of translatable structure of water meter cover |
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| CN210135967U (en) * | 2019-07-30 | 2020-03-10 | 广州斯清泰自动化设备有限公司 | Storage type heat-conducting oil vortex shedding flowmeter |
| CN210464587U (en) * | 2019-09-30 | 2020-05-05 | 盘锦云飞石油设备有限公司 | Flowmeter convenient to installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112082861A (en) * | 2020-09-10 | 2020-12-15 | 衡阳市衡山科学城科技创新服务有限公司 | Pressure adjusting and testing device for cross-coupling ceramic dielectric filter |
| CN112229953A (en) * | 2020-10-09 | 2021-01-15 | 建德南方水泥有限公司 | Denitration ammonia escape detection device |
| CN112780244A (en) * | 2021-01-14 | 2021-05-11 | 江阴亿达机械制造有限公司 | Oil drilling and production fracturing equipment hydraulic cylinder assembly precision component |
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Application publication date: 20200904 |
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| RJ01 | Rejection of invention patent application after publication |