CN109681654A - A kind of system of control speed regulation threshold velocity - Google Patents
A kind of system of control speed regulation threshold velocity Download PDFInfo
- Publication number
- CN109681654A CN109681654A CN201910019183.4A CN201910019183A CN109681654A CN 109681654 A CN109681654 A CN 109681654A CN 201910019183 A CN201910019183 A CN 201910019183A CN 109681654 A CN109681654 A CN 109681654A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- speed regulation
- shell
- valve body
- threshold velocity
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of systems of control speed regulation threshold velocity, including speed regulation valve body and shell, the top of speed regulation valve body is fixedly connected with the bottom of shell, the bottom of the housing cavity is fixedly connected with motor by support plate, and the output shaft of motor is fixedly connected with first bevel gear, threaded rod is rotatably connected to by bearing between the top and bottom of the housing cavity, the surface of the threaded rod and be located at threaded block immediately below be fixedly connected with the second bevel gear being used in combination with first bevel gear, the present invention relates to speed governing valve technical fields.The system of control speed regulation threshold velocity, it can control the flow velocity of speed governing valve, the precision controlling requirement for reaching user easily facilitates user's operation, reduces the error of speed governing valve, improve the working efficiency of user, reduce the unnecessary trouble having, is suitable for being widely applied, and then improve production efficiency, screen pack plays the role of filtering, and impurity is avoided to flow out.
Description
Technical field
The present invention relates to speed governing valve technical field, specially a kind of system of control speed regulation threshold velocity.
Background technique
Speed governing valve is the combination valve being connected in series by uniform-pressure-drop valve and throttle valve, and throttle valve is used to adjust the stream passed through
Amount, the uniform-pressure-drop valve then influence of compensation load variation automatically, makes the pressure difference definite value before and after throttle valve, eliminates load variation
Influence to flow, the forward and backward pressure of throttle valve guide to the decompression valve core right side, left both ends respectively, when load pressure increase, then
The hydraulic coupling for acting on relief pressure valve cartridge left end increases, and spool moves to right, and pressure-reduction outlet increases, and pressure drop reduces, to make the pressure of throttle valve
Difference remains unchanged, and vice versa, is thus that the flow of speed governing valve is invariable (not by load effect), speed governing valve can also be set
The structure for first throttling and depressurizing afterwards is counted into, the system of existing speed regulation threshold velocity is difficult to control the flow velocity of speed governing valve.
The system of traditional speed regulation threshold velocity, most of is very simple system, it is difficult to the flow velocity of speed governing valve is controlled, up to not
To the precision controlling requirement of user, the person's of being not convenient to use operation increases the error of speed governing valve, reduces the work effect of user
Rate increases the unnecessary trouble having, is unsuitable for being widely applied, reduces production efficiency, and the general system for adjusting the speed threshold velocity is not
With screen pack, the effect of filtering is not had, impurity easily flows out.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of system of control speed regulation threshold velocity, speed governing valve is solved
What flow velocity, the precision controlling requirement that user is not achieved and the person of being not convenient to use that the system of flow velocity is difficult to control speed governing valve operated asks
Topic.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of control speed regulation threshold velocity is
The top of system, including speed regulation valve body and shell, the speed regulation valve body is fixedly connected with the bottom of shell, the housing cavity
Bottom motor is fixedly connected with by support plate, and the output shaft of motor is fixedly connected with first bevel gear, the shell
Threaded rod is rotatably connected to by bearing between the top and bottom of inner cavity, and the surface of threaded rod is threaded with screw thread
Block, the surface of the threaded rod and be located at threaded block immediately below be fixedly connected with second be used in combination with first bevel gear
Bevel gear, the top of the housing cavity and the side for being located at threaded rod are fixedly connected with slide bar, and the bottom end of the slide bar passes through
It is fixedly connected at the top of support plate and motor, the surface of the slide bar slidably connects sliding block, the side of the sliding block and screw thread
Connecting plate is fixedly connected between the side of block, the other side of the sliding block is fixedly connected with pressing plate.
Preferably, the side of the housing cavity is fixedly connected with slide plate, and the side of slide plate offers and pressing plate phase
The sliding slot being used cooperatively.
Preferably, the bottom of the pressing plate is fixedly connected with baffle, and the bottom of baffle sequentially passes through shell, speed governing valve
Ontology and the inner cavity for extending to speed regulation valve body.
Preferably, the side at the top of the speed governing valve chamber body is fixedly connected with screen pack, the speed regulation valve body
The other side of inner cavity top is fixedly connected with water level sensor.
Preferably, it is described speed regulation valve body top and be located at shell side be fixedly connected with key, the speed governing valve
The top of ontology and be located at shell the other side be fixedly connected with central processing unit.
Preferably, the output end of the water level sensor is connected with the input terminal of data comparator, the data comparator
Output end connected with the input terminal of feedback module, the output end of the feedback module is connected with the input terminal of central processing unit,
The output end of the central processing unit is connect with the input terminal of data comparator and motor respectively, and the output end of the key is in
The input terminal of central processor connects, and the input terminal of the key, water level sensor and central processing unit is defeated with power module
Outlet is electrically connected.
Beneficial effect
The present invention provides a kind of systems of control speed regulation threshold velocity.Have compared with prior art it is following the utility model has the advantages that
(1), the system of control speed regulation threshold velocity, is connected by being rotated between the top and bottom of housing cavity by bearing
It is connected to threaded rod, and the surface of threaded rod is threaded with threaded block, the surface of threaded rod and the underface for being located at threaded block
It is fixedly connected with the second bevel gear being used in combination with first bevel gear, the top of housing cavity and the side for being located at threaded rod
It is fixedly connected with slide bar, by being fixedly connected at the top of support plate and motor, the surface of slide bar is slidably connected for the bottom end of slide bar
Sliding block is fixedly connected with connecting plate between the side of sliding block and the side of threaded block, the other side of sliding block is fixedly connected with pressing plate,
The flow velocity that can control speed governing valve reaches the precision controlling requirement of user, easily facilitates user's operation, reduces speed governing valve
Error improves the working efficiency of user, reduces the unnecessary trouble having.
(2) system of control speed regulation threshold velocity, is connected by being rotated between the top and bottom of housing cavity by bearing
It is connected to threaded rod, and the surface of threaded rod is threaded with threaded block, the surface of threaded rod and the underface for being located at threaded block
It is fixedly connected with the second bevel gear being used in combination with first bevel gear, the top of housing cavity and the side for being located at threaded rod
It is fixedly connected with slide bar, by being fixedly connected at the top of support plate and motor, the side of housing cavity is fixed to be connected for the bottom end of slide bar
It being connected to slide plate, and the side of slide plate offers the sliding slot being used in combination with pressing plate, the bottom of pressing plate is fixedly connected with baffle,
And the bottom of baffle sequentially passes through shell, speed regulation valve body and the inner cavity for extending to speed regulation valve body, speed governing valve chamber body
The side at top is fixedly connected with screen pack, and the other side at the top of speed governing valve chamber body is fixedly connected with water level sensor,
Suitable for being widely applied, and then improve production efficiency.
(3), the system of control speed regulation threshold velocity, passes through the top for adjusting the speed valve body and company is fixed in the side for being located at shell
It is connected to key, adjust the speed the top of valve body and is fixedly connected with central processing unit positioned at the other side of shell, water level sensor
Output end is connected with the input terminal of data comparator, and the output end of data comparator is connected with the input terminal of feedback module, feedback
The output end of module is connected with the input terminal of central processing unit, the output end of central processing unit respectively with data comparator and motor
Input terminal connection, the input terminal of the output end of key and central processing unit connects, key, water level sensor and central processing unit
Input terminal be electrically connected with the output end of power module, the side at the top of speed governing valve chamber body is fixedly connected with filter screen
Plate, screen pack play the role of filtering, and impurity is avoided to flow out.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 of the present invention at A；
Fig. 3 is the functional block diagram of present system structure.
In figure: 1 speed regulation valve body, 2 shells, 3 motors, 4 first bevel gears, 5 threaded rods, 6 threaded blocks, 7 second bevel gears,
8 slide bars, 9 sliding blocks, 10 connecting plates, 11 pressing plates, 12 slide plates, 13 baffles, 14 screen packs, 15 water level sensors, 16 keys, in 17
Central processor, eighteen data comparator, 19 feedback modules, 20 power modules.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of system of control speed regulation threshold velocity, including speed regulation
The top of valve body 1 and shell 2, speed regulation valve body 1 is fixedly connected with the bottom of shell 2, and the bottom of 2 inner cavity of shell passes through support
Plate is fixedly connected with motor 3, and motor 3 is positive reverse motor, 3 positive and negative rotation of motor, and representative is that motor 3 rotates clockwise and the inverse time
Needle rotation, it is that motor 3 rotates forward that motor 3, which rotates clockwise, and it is that motor 3 inverts that motor 3, which rotates counterclockwise, positive and reverse rotation control circuit figure
As long as and its principle analysis will realize that any two-phase being connected in motor three phase mains inlet wire is exchanged in the positive and negative rotation of motor
Wiring is that can reach the purpose of reversion, and the output shaft of motor 3 is fixedly connected with first bevel gear 4, the top of 2 inner cavity of shell
Threaded rod 5 is rotatably connected to by bearing between bottom, and the surface of threaded rod 5 is threaded with threaded block 6, threaded rod
5 surface and be located at threaded block 6 underface be fixedly connected with the second bevel gear 7 being used in combination with first bevel gear 4, shell
The top of 2 inner cavity of body and the side for being located at threaded rod 5 are fixedly connected with slide bar 8, and the bottom end of slide bar 8 passes through support plate and motor 3
Top be fixedly connected, the surface of slide bar 8 slidably connects sliding block 9, fixed between the side of sliding block 9 and the side of threaded block 6
It is connected with connecting plate 10, the other side of sliding block 9 is fixedly connected with pressing plate 11, and the side of 2 inner cavity of shell is fixedly connected with slide plate 12,
And the side of slide plate 12 offers the sliding slot being used in combination with pressing plate 11, and the bottom of pressing plate 11 is fixedly connected with baffle 13,
And the bottom of baffle 13 sequentially passes through shell 2, speed regulation valve body 1 and the inner cavity for extending to speed regulation valve body 1, adjusts the speed valve body
The side of 1 inner cavity top is fixedly connected with screen pack 14, and screen pack 14 plays the role of filtering, impurity is avoided to flow out,
The other side of speed regulation 1 inner cavity top of valve body is fixedly connected with water level sensor 15, adjusts the speed the top of valve body 1 and is located at shell
2 side is fixedly connected with key 16, adjusts the speed the top of valve body 1 and is fixedly connected with centre positioned at the other side of shell 2
Manage device 17, the output end of water level sensor 15 connect with the input terminal of data comparator 18, the output end of data comparator 18 with
The input terminal of feedback module 19 connects, and the output end of feedback module 19 is connected with the input terminal of central processing unit 17, central processing
The output end of device 17 is connect with the input terminal of data comparator 18 and motor 3 respectively, the output end and central processing unit of key 16
17 input terminal connection, output of the input terminal of key 16, water level sensor 15 and central processing unit 17 with power module 20
End is electrically connected, and be can control the flow velocity of speed governing valve, is reached the precision controlling requirement of user, is easily facilitated user's operation, is subtracted
The error for having lacked speed governing valve improves the working efficiency of user, reduces the unnecessary trouble having, and is suitable for being widely applied, into
And improve production efficiency.
When work, water level reaches water level sensor 15, and water level sensor 15 passes information to central processing unit 17, center
Processor 17 passes through information processing starter motor 3, and after motor 3 starts, the output shaft of motor 3 drives first bevel gear 4 to rotate, the
The rotation of one bevel gear 4 drives second bevel gear 7 to rotate, and the rotation of second bevel gear 7 drives threaded rod 5 to rotate, and threaded rod 5 rotates band
Dynamic threaded block 6 moves up and down, and the movement of threaded block 6 drives connecting plate 10 to move up and down, and connecting plate 10 moves up and down on band movable slider 9
Lower movement, sliding block 9 moves up and down to move up and down with dynamic pressure plate 11, and pressing plate 11, which moves up and down, drives baffle 13 to move up and down, in this way
Baffle 13 is the flow velocity of controllable speed governing valve, reaches the precision controlling requirement of user, easily facilitates user's operation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of system of control speed regulation threshold velocity, including speed regulation valve body (1) and shell (2), speed regulation valve body (1)
Top is fixedly connected with the bottom of shell (2), it is characterised in that: the bottom of shell (2) inner cavity connects by the way that support plate is fixed
It is connected to motor (3), and the output shaft of motor (3) is fixedly connected with first bevel gear (4), the top of shell (2) inner cavity
It is rotatably connected to threaded rod (5) between bottom by bearing, and the surface of threaded rod (5) is threaded with threaded block (6),
The surface of the threaded rod (5) and it is located at immediately below threaded block (6) and is fixedly connected with and is used in combination with first bevel gear (4)
Second bevel gear (7), the top of shell (2) inner cavity and be located at threaded rod (5) side be fixedly connected with slide bar (8),
By being fixedly connected at the top of support plate and motor (3), the surface of the slide bar (8) is slidably connected for the bottom end of the slide bar (8)
Have sliding block (9), is fixedly connected with connecting plate (10), the sliding block between the side of the sliding block (9) and the side of threaded block (6)
(9) the other side is fixedly connected with pressing plate (11).
2. a kind of system of control speed regulation threshold velocity according to claim 1, it is characterised in that: shell (2) inner cavity
Side be fixedly connected with slide plate (12), and the side of slide plate (12) offers the sliding slot being used in combination with pressing plate (11).
3. a kind of system of control speed regulation threshold velocity according to claim 2, it is characterised in that: the bottom of the pressing plate (11)
Portion is fixedly connected with baffle (13), and the bottom of baffle (13) sequentially passes through shell (2), speed regulation valve body (1) and extends to
Adjust the speed the inner cavity of valve body (1).
4. a kind of system of control speed regulation threshold velocity according to claim 3, it is characterised in that: the speed regulation valve body
(1) side of inner cavity top is fixedly connected with screen pack (14), and the other side of described speed regulation valve body (1) inner cavity top is fixed
It is connected with water level sensor (15).
5. a kind of system of control speed regulation threshold velocity according to claim 4, it is characterised in that: the speed regulation valve body
(1) the top and side for being located at shell (2) is fixedly connected with key (16), the top of speed regulation valve body (1) and is located at
The other side of shell (2) is fixedly connected with central processing unit (17).
6. a kind of system of control speed regulation threshold velocity according to claim 5, it is characterised in that: the water level sensor
(15) output end is connected with the input terminal of data comparator (18), the output end and feedback module of the data comparator (18)
(19) input terminal connection, the output end of the feedback module (19) connects with the input terminal of central processing unit (17), it is described in
The output end of central processor (17) is connect with the input terminal of data comparator (18) and motor (3) respectively, the key (16)
Output end is connect with the input terminal of central processing unit (17), the key (16), water level sensor (15) and central processing unit
(17) input terminal is electrically connected with the output end of power module (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019183.4A CN109681654A (en) | 2019-01-07 | 2019-01-07 | A kind of system of control speed regulation threshold velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019183.4A CN109681654A (en) | 2019-01-07 | 2019-01-07 | A kind of system of control speed regulation threshold velocity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681654A true CN109681654A (en) | 2019-04-26 |
Family
ID=66192134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019183.4A Pending CN109681654A (en) | 2019-01-07 | 2019-01-07 | A kind of system of control speed regulation threshold velocity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681654A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202266683U (en) * | 2011-10-17 | 2012-06-06 | 伯纳德(天津)仪表技术有限公司 | Novel electric flow valve |
| CN202561207U (en) * | 2012-04-01 | 2012-11-28 | 洛阳博特自动化工程有限公司 | Intelligent electric valve execution device |
| CN103363175A (en) * | 2012-04-01 | 2013-10-23 | 洛阳博特自动化工程有限公司 | Intelligent electrically operated valve executive device |
| CN203477544U (en) * | 2013-06-28 | 2014-03-12 | 上海锦江电子技术工程有限公司 | Constant temperature/constant pressure intelligent adjusting valve |
| CN203836346U (en) * | 2014-05-19 | 2014-09-17 | 东正科技有限公司 | Pneumatic valve intelligent controller |
| US20170356553A1 (en) * | 2016-06-10 | 2017-12-14 | Ecotec Solutions, Inc. | Adjustable orifice valve |
| CN108527044A (en) * | 2018-04-10 | 2018-09-14 | 绍兴文理学院 | A kind of photovoltaic solar panels watch crystal grinding apparatus |
| CN108825805A (en) * | 2018-07-20 | 2018-11-16 | 池州市信佳阀门制造有限公司 | A kind of valve of quick control fluid flow |
-
2019
- 2019-01-07 CN CN201910019183.4A patent/CN109681654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202266683U (en) * | 2011-10-17 | 2012-06-06 | 伯纳德(天津)仪表技术有限公司 | Novel electric flow valve |
| CN202561207U (en) * | 2012-04-01 | 2012-11-28 | 洛阳博特自动化工程有限公司 | Intelligent electric valve execution device |
| CN103363175A (en) * | 2012-04-01 | 2013-10-23 | 洛阳博特自动化工程有限公司 | Intelligent electrically operated valve executive device |
| CN203477544U (en) * | 2013-06-28 | 2014-03-12 | 上海锦江电子技术工程有限公司 | Constant temperature/constant pressure intelligent adjusting valve |
| CN203836346U (en) * | 2014-05-19 | 2014-09-17 | 东正科技有限公司 | Pneumatic valve intelligent controller |
| US20170356553A1 (en) * | 2016-06-10 | 2017-12-14 | Ecotec Solutions, Inc. | Adjustable orifice valve |
| CN108527044A (en) * | 2018-04-10 | 2018-09-14 | 绍兴文理学院 | A kind of photovoltaic solar panels watch crystal grinding apparatus |
| CN108825805A (en) * | 2018-07-20 | 2018-11-16 | 池州市信佳阀门制造有限公司 | A kind of valve of quick control fluid flow |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190426 |