CN108266554A - A kind of device that can prevent water supply pipe from freezing - Google Patents
A kind of device that can prevent water supply pipe from freezing Download PDFInfo
- Publication number
- CN108266554A CN108266554A CN201810181714.5A CN201810181714A CN108266554A CN 108266554 A CN108266554 A CN 108266554A CN 201810181714 A CN201810181714 A CN 201810181714A CN 108266554 A CN108266554 A CN 108266554A
- Authority
- CN
- China
- Prior art keywords
- connector
- water
- capsule
- battery
- water valve
- 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.)
- Granted
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
- E03B7/14—Devices for thawing frozen pipes
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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
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Temperature-Responsive Valves (AREA)
- Safety Valves (AREA)
Abstract
A kind of device that can prevent water supply pipe from freezing, mainly forms including connector, water valve, spring, adjusting screw, Nang Bao and capsule jacket, and capsule packet side wall is equipped with multiple fold that can be stretched, and is full of water in capsule packet, multiple air holes are equipped on capsule jacket；Outwardly projecting connector is equipped in the middle part of connector, inwardly projecting flange is equipped at connector and fittings, drainpipe is equipped in connector side；When the water freezing in capsule packet, the volume expansion of ice makes Nang Bao elongations jack up water valve, the water in water supply pipe is made to flow into connector, by the ponding of piston plate, the water into connector can only flow away from the drainpipe of connector side, so as to which the water in the water supply pipe of connector upstream be made to be in flow regime, water pipe is ruptured so as to not-easy-to-freeze, when environment temperature is down to zero, control chip makes switch be in open state, heater generates heat, and prevents the water freezing into connector.
Description
Technical field
The present invention relates to a kind of devices that can prevent water supply pipe from freezing.
Background technology
When winter environment temperature is down to zero following, it often will appear water supply pipe or water meter because freezing and the feelings of rupture
Condition leads to a large amount of maintenance work, and not only property loss is larger, and maintenance cost is also higher, and repair is also more difficult.Cause
This, needs to find a kind of device that can prevent water supply pipe from freezing.
It is, thus, sought for a kind of device that can prevent water supply pipe from freezing.
Invention content
The purpose of the present invention is：A kind of device that can prevent water supply pipe from freezing is provided.
The technical scheme is that：A kind of device that can prevent water supply pipe from freezing, mainly including connector, water valve
1st, spring 2, adjusting screw 3, capsule packet 4 and capsule jacket 5 form, and capsule packet side wall is equipped with multiple fold that can be stretched, Nang Bao
In full of water, multiple air holes 51 are equipped on capsule jacket；Outwardly projecting connector 6 is equipped in the middle part of connector, connector with
Inwardly projecting flange 61 is equipped at fittings, drainpipe 62 is equipped in connector side；Water valve is by water valve bullet and water
Valve rod forms, and water valve bullet is located in connector, and water valve stem is injected out of connector in connector endoporus, and flange is located at running water pipe
The water valve bullet of one end and water valve in road forms tight fit, and spring pocket is equipped on water valve stem with interior spiral shell on water valve stem
The adjustment hole of line；Adjusting screw is made of nut and screw rod, and anti-freeze connector further includes piston plate 7, and the outer diameter of piston plate is more than
The diameter of bore of connector, piston plate are sleeved on by central through hole on the screw rod of adjusting screw, then the screw rod of adjusting screw is revolved
The adjustment hole being screwed on water valve stem makes one end of spring be against in flange, and the other end is against on piston plate, during original state,
Tension force of spring makes the water valve bullet of water valve form tight fit towards the openend of connector with flange, and piston plate leaves connection
Head,
It puts Nang Bao into capsule jackets, then capsule jacket is threadedly coupled with connector, capsule is made to pack tightly the nut of patch adjusting screw；
When environment temperature drops to it is subzero when, the water freezing in capsule packet extends Nang Bao, and Nang Bao elongations will will be assembled in one
Adjusting screw, piston plate and the water valve risen is pushed up to the direction of connector, and piston plate is made to be moved to connector, bores the water valve of water valve
Body leaves flange, generates gap between water valve and flange, and gap of the water in connector between water valve and flange flows into company
Connector, then flow away from drainpipe, when the water freeze in capsule packet, piston plate will be pushed against onto connector；In connector
On be additionally provided with outwardly projecting battery cavities 63, be equipped with separated calandria 64 in a circle, battery cavities bottom around connector endoporus
Portion is equipped with conductive plate, and conductive plate is connected by conducting wire with one end of calandria,
Battery 65 is pressed into battery cavities makes these batteries connect, then cover battery collet 66, finally covers protective cover 67
On battery cavities；Capsule containment wall is made of sheet metal or sheet rubber.
The battery collet is equipped with a circle groove, and one end of calandria is connected by conducting wire with conductive plate, calandria
The other end with one enter battery cavity wall conducting wire be connected, this conducting wire extends to the end face of battery cavities outwardly, in battery cavities
End face outwardly is equipped with circle groove corresponding with the groove on battery collet, and it is naked that a circle is pressed into the groove of battery resonator end surface
The connecting line being connected with from the conducting wire that comes of calandria extension of dew, when battery floor backing pressure to battery cavities port outwardly,
The exposed part of connecting line enters in the groove of battery collet, and the end face of battery collet and battery cavities is made to form tight fit,
Protective cover is covered again, battery collet is made of material that can be conductive.
Switch is equipped on conducting wire between connecting line and calandria, temperature inductor and control core are equipped with by switch
The temperature value detected is passed to control chip by piece, temperature inductor, when the temperature value that temperature inductor returns is taken the photograph less than zero
When family name spends, control chip makes switch be in open state, and the two poles of the earth of calandria connect respectively with battery supply, and calandria fever will
The water heating of connector is flowed into, prevents the water freezing into connector.
The original state of switch is off status.When temperature inductor return temperature value be more than five degrees Celsius, control chip
Switch is made to be in off status.
The air hole is elongated hole or circular hole.
One anti-freeze connector is installed in the downstream of water meter.
When the water in capsule packet is liquid, the maximum gauge of Nang Bao is less than the diameter of bore 1-3mm of capsule jacket, when in capsule packet
Water freezing when, the position-limiting action of receptaculum jacket makes capsule packet that can only extend to the direction of connector.
Advantageous effect：
1st, when the water freezing in capsule packet, the volume expansion of ice makes Nang Bao elongations jack up water valve, makes in water supply pipe
Water flows into connector, and by the ponding of piston plate, the water into connector can only flow away from the drainpipe of connector side, from
And the water in the water supply pipe of connector upstream is made to be in flow regime, water pipe is ruptured so as to not-easy-to-freeze, works as environment
When temperature is down to zero, control chip makes switch be in open state, and heater fever prevents the water freezing into connector.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the figure that pops of the present invention；
Fig. 3 is the diagrammatic cross-section when water in capsule packet of the present invention does not freeze；
Diagrammatic cross-section when Fig. 4 is the water freezing in capsule packet of the present invention；
Fig. 5 is the dimensional structure diagram of the battery collet of the present invention.
Specific embodiment
As Figure 1-Figure 5, a kind of device that can prevent water supply pipe from freezing, mainly including connector, water valve 1, bullet
Spring 2, adjusting screw 3, capsule packet 4 and capsule jacket 5 form, and capsule packet side wall is equipped with multiple fold that can be stretched, in initial shape
During state, it is in capsule packet full of water, the fold of Nang Bao by slightly distracted state, connector is threaded in originally by both ends
On waterpipe, multiple air holes 51 are equipped on capsule jacket.When the temperature of environment drops to subzero, Nang Bao is due to being located at tap water
It can directly be contacted outside pipeline and with extraneous air by air hole, easily first frozen than the water in water supply pipe.By
Fold has been wrapped in capsule, so as to form more spaces between Nang Bao and capsule jacket, has enable extraneous air more
Ground is contacted with capsule containment wall face, so as to be also easier to freeze.
Capsule containment wall is made of sheet metal or sheet rubber, preferably sheet metal, because sheet metal easily transmits heat, works as the external world
Temperature change, it will be able to which extraneous temperature change is passed to the water in capsule packet in time.
Outwardly projecting connector 6 is equipped in the middle part of connector, inwardly projecting flange is equipped at connector and fittings
61, it is equipped with drainpipe 62 in connector side；Water valve is made of water valve bullet and water valve stem, and water valve bullet is located at connector
Interior, water valve stem is injected out of connector in connector endoporus, and flange is located at one end in water supply pipe and the water valve taper of water valve
Body forms tight fit, and spring pocket is equipped with tapped adjustment hole on water valve stem on water valve stem；Adjusting screw by nut and
Screw rod, anti-freeze connector further include piston plate 7, and the outer diameter of piston plate is more than the diameter of bore of connector, and piston plate passes through center
Through-hole is sleeved on the screw rod of adjusting screw, then the screw rod of adjusting screw is screwable into the adjustment hole on water valve stem, makes spring
One end is against in flange, and the other end is against on piston plate, adjusting screw, piston plate and water valve is fitted together, original state
When, tension force of spring makes the water valve bullet of water valve form tight fit towards the openend of connector with flange, and piston plate leaves company
Connector, for tension force of spring is made to work, by adjusting screw twist it is tighter a little make spring that there is a degree of compression, with
Enhance the initial tension of spring.It puts Nang Bao into capsule jackets again, then capsule jacket is threadedly coupled with connector, by adjusting capsule
The position on connector is wrapped in, the roof of Nang Bao is made to be close to the nut of adjusting screw.
When environment temperature is more than zero degree, the water in water and capsule packet in water supply pipe will not all freeze, and tap water
Hydraulic pressure in pipeline is larger, the water valve bullet of water valve will be pressed in flange, therefore, the water in water supply pipe will not
Flow into connector.I.e. when environment temperature is more than zero degree, anti-freeze connector only serves the effect of common water pipe head, and works as environment
When temperature is less than zero degree, anti-freeze connector can just play the role of preventing water supply pipe from freezing.
When environment temperature drops to it is subzero when, the water freezing volume expansion in capsule packet, so as to extend Nang Bao, Nang Bao extends just
The adjusting screw, piston plate and the water valve that fit together to the direction of connector can be pushed up, piston plate is made to be moved to connector, is made
The water valve bullet of water valve leaves flange, generates gap between water valve and flange, and the water in connector is between water valve and flange
Gap flow into connector, blocked by piston plate, flow can only flow away from drainpipe, and drainpipe passes through pipeline and drainage system
It is connected, water is discharged in drainage system, connector and the water in the water supply pipe of connector upstream is made to be in flow regime,
So as to not-easy-to-freeze.
When the water freeze in capsule packet, piston plate can be pushed against onto connector.
The spring is turriform spring, and bottom of towe is against in flange, and tower top is against on piston plate.
The endoporus of piston plate and capsule jacket forms tight fit, and flow is prevented to be flowed from the gap between piston plate and capsule jacket
Below to piston plate, water is avoided to make the ice-out in capsule packet when flowing through Nang Bao surfaces.
Outwardly projecting battery cavities 63 are additionally provided on connector, separated in a circle add is equipped with around connector endoporus
Hot body 64, battery cavities bottom are equipped with conductive plate, and conductive plate is connected by conducting wire with one end of calandria, and battery 65 is pressed into battery
Chamber makes these batteries connect, then covers battery collet 66, finally covers protective cover 67 on battery cavities；On the battery collet
Equipped with a circle groove, one end of calandria is connected by conducting wire with conductive plate, and the other end of calandria and one are into battery cavities
The conducting wire of wall is connected, this conducting wire extends to the end face of battery cavities outwardly, and a circle and battery are equipped in the end face of battery cavities outwardly
It is exposed with extending what is come from calandria to be pressed into a circle in the groove of battery resonator end surface for the corresponding groove of groove on collet
The connecting line that conducting wire is connected, when battery floor backing pressure to battery cavities port outwardly, the exposed part of connecting line enters
In the groove of battery collet, the end face of battery collet and battery cavities is made to form tight fit, then protective cover is covered, battery collet is adopted
With material making that can be conductive.Switch is equipped on conducting wire between connecting line and calandria, temperature sense is equipped with by switch
Answer device and control chip, temperature inductor that the temperature value detected is passed to control chip, when the temperature that temperature inductor returns
When angle value is less than zero degrees celsius, control chip makes switch be in open state, and the two poles of the earth of calandria connect with battery supply, add respectively
Hot body fever, the water for flowing into connector is heated, prevents the water freezing into connector.Since slightly heating only being needed to make water not
Icing, therefore, not too large to the loss of battery, the original state of switch is off status.It is returned when temperature inductor
Temperature value is more than five degrees Celsius, and control chip makes switch be in off status.
The central seal slot that a circle is recessed outward is equipped in the central through hole of piston plate, around the surrounding side wall of piston plate
Equipped with the outer wall seal groove that a circle is recessed inwardly, the installation center sealing ring in central seal slot is embedded in outer wall seal groove
Upper outer wall sealing ring.Central seal circle prevents from flow from flowing to capsule from the gap between the central through hole and screw rod of piston plate wrapping,
Outer wall sealing ring prevents from gap of the flow between piston plate and piston bush from flowing to capsule wrapping.
The air hole is elongated hole or circular hole.When the water in capsule packet is liquid, the maximum gauge of Nang Bao is less than capsule
The diameter of bore 1-3mm of jacket when the water freezing in capsule packet, makes capsule packet that can only extend to both sides, and the limiting of receptaculum jacket is made
With making capsule packet that can only extend to the direction of connector.
After environment temperature rises to more than zero degree, the ice in capsule packet gradually melts, and the length of Nang Bao is gradually reduced, spring
Tension will by the water valve fitted together, piston plate and direction from adjusting screw to Nang Bao push up, so as to make the water valve of water valve
Bullet is pushed against in flange, makes the water in connector that can not flow into connector again.
The aperture of drainpipe is much smaller than the aperture of connector, and effect mainly makes the aquatic products in the water supply pipe of connector upstream
Raw flowing, so as to not-easy-to-freeze.
Since the water meter on water supply pipe is easily broken when freezing, one anti-caking is installed in the downstream of water meter
Ice connector, it will be able to play the role of preventing water meter from rupturing.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field in the essential scope of the present invention, makes a variety of changes or substitutes, and should also belong to the guarantor of the present invention
Protect scope.
Claims (7)
1. a kind of device that can prevent water supply pipe from freezing, mainly including connector, water valve (1), spring (2), adjusting screw
(3), Nang Bao (4) and capsule jacket (5) composition, capsule packet side wall are equipped with multiple fold that can be stretched, are full of water in capsule packet,
Capsule jacket is equipped with multiple air holes (51)；Outwardly projecting connector (6) is equipped in the middle part of connector, in connector and fittings
Place is equipped with inwardly projecting flange (61), and drainpipe (62) is equipped in connector side；Water valve is by water valve bullet and water valve stem
Composition, water valve bullet are located in connector, and water valve stem is injected out of connector in connector endoporus, and flange is located in water supply pipe
One end and water valve water valve bullet formed tight fit, spring pocket on water valve stem, on water valve stem be equipped with it is tapped
Adjustment hole；Adjusting screw is made of nut and screw rod, and anti-freeze connector further includes piston plate (7), and the outer diameter of piston plate, which is more than, to be connected
The diameter of bore of connector, piston plate are sleeved on by central through hole on the screw rod of adjusting screw, then the screw rod of adjusting screw is screwed
Into the adjustment hole on water valve stem, one end of spring is made to be against in flange, the other end is against on piston plate, during original state, bullet
The tension of spring makes the water valve bullet of water valve form tight fit towards the openend of connector with flange, and piston plate leaves connector,
It puts Nang Bao into capsule jackets, then capsule jacket is threadedly coupled with connector, capsule is made to pack tightly the nut of patch adjusting screw；When environment temperature
When degree drops to subzero, the water freezing in capsule packet extends Nang Bao, and Nang Bao elongations will be by the adjusting screw fitted together, piston
Plate and water valve are pushed up to the direction of connector, and piston plate is made to be moved to connector, the water valve bullet of water valve is made to leave flange, in water
Generate gap between valve and flange, gap of the water in connector between water valve and flange flows into connector, then from drainpipe stream
It walks, when the water freeze in capsule packet, piston plate will be pushed against onto connector；It is characterized in that：It is also set on connector
There are outwardly projecting battery cavities (63), calandria (64) separated in a circle, battery cavities bottom are equipped with around connector endoporus
Equipped with conductive plate, conductive plate is connected by conducting wire with one end of calandria, and battery (65) is pressed into battery cavities makes these battery strings
Connection, then battery collet (66) is covered, finally protective cover (67) is covered on battery cavities；Capsule containment wall uses sheet metal or sheet rubber system
Make.
2. the device according to claim 1 that can prevent water supply pipe from freezing, it is characterised in that：The battery floor
Support is equipped with a circle groove, and one end of calandria is connected by conducting wire with conductive plate, the other end of calandria and an entrance electricity
The conducting wire of cell cavity wall is connected, this conducting wire extends to the end face of battery cavities outwardly, the end face of battery cavities outwardly be equipped with one circle with
The corresponding groove of groove on battery collet, it is exposed with extending from calandria to be pressed into a circle in the groove of battery resonator end surface
The connecting line that is connected of conducting wire come, when battery floor backing pressure to battery cavities port outwardly, the exposed part of connecting line
Into in the groove of battery collet, the end face of battery collet and battery cavities is made to form tight fit, then protective cover is covered, battery floor
Support is made of material that can be conductive.
3. the device according to claim 2 that can prevent water supply pipe from freezing, it is characterised in that：In connecting line with adding
Conducting wire between hot body is equipped with switch, and temperature inductor and control chip, temperature inductor will be equipped with by switch to be detected
Temperature value pass to control chip, when temperature inductor return temperature value be less than zero degrees celsius when, control chip make switch
In open state, the two poles of the earth of calandria connect respectively with battery supply, and the water for flowing into connector is heated, prevented by calandria fever
Only enter the water freezing of connector.
4. the device according to claim 3 that can prevent water supply pipe from freezing, it is characterised in that：The initial shape of switch
State is off status.When the temperature value that temperature inductor returns is more than five degrees Celsius, control chip makes switch be in off status.
5. the device according to claim 1 that can prevent water supply pipe from freezing, it is characterised in that：The air hole
For elongated hole or circular hole.
6. the device according to claim 2 that can prevent water supply pipe from freezing, it is characterised in that：In the downstream of water meter
One anti-freeze connector is installed.
7. the device according to claim 1 that can prevent water supply pipe from freezing, it is characterised in that：Water in capsule packet
During for liquid, the maximum gauge of Nang Bao is less than the diameter of bore 1-3mm of capsule jacket, when the water freezing in capsule packet, receptaculum jacket
Position-limiting action, make capsule packet that can only extend to the direction of connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181714.5A CN108266554B (en) | 2016-12-30 | 2016-12-30 | A kind of device that can prevent water supply pipe from freezing |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181714.5A CN108266554B (en) | 2016-12-30 | 2016-12-30 | A kind of device that can prevent water supply pipe from freezing |
| CN201611270033.3A CN106594447B (en) | 2016-12-30 | 2016-12-30 | A kind of anti-freeze connector with calandria |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611270033.3A Division CN106594447B (en) | 2016-12-30 | 2016-12-30 | A kind of anti-freeze connector with calandria |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266554A true CN108266554A (en) | 2018-07-10 |
| CN108266554B CN108266554B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810181714.5A Active CN108266554B (en) | 2016-12-30 | 2016-12-30 | A kind of device that can prevent water supply pipe from freezing |
| CN201611270033.3A Active CN106594447B (en) | 2016-12-30 | 2016-12-30 | A kind of anti-freeze connector with calandria |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611270033.3A Active CN106594447B (en) | 2016-12-30 | 2016-12-30 | A kind of anti-freeze connector with calandria |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405255A (en) * | 2020-05-15 | 2020-07-10 | 广西南宁导思电子科技有限公司 | Thawing apparatus for closed circuit television monitoring based on water freezing expansion principle |
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| CN108894283B (en) * | 2017-06-26 | 2020-06-30 | 长乐市丽智产品设计有限公司 | Anti-burst device |
| CN111006738B (en) * | 2019-10-25 | 2021-01-22 | 绍兴嘉盛仪表股份有限公司 | Precise material level instrument |
| CN111288245B (en) * | 2020-02-18 | 2021-09-24 | 苏州赛荣建筑装饰工程有限公司 | Component part of anti-burst pipeline connector |
| CN111174003B (en) * | 2020-02-18 | 2021-05-14 | 榫卯科技服务(温州)有限公司 | Anti-burst pipeline connector and working method thereof |
| CN113669491B (en) * | 2021-08-19 | 2024-02-27 | 湖北柯莱斯流体智控有限公司 | Tap connecting valve of intelligence control by temperature change protection |
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- 2016-12-30 CN CN201810181714.5A patent/CN108266554B/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405255A (en) * | 2020-05-15 | 2020-07-10 | 广西南宁导思电子科技有限公司 | Thawing apparatus for closed circuit television monitoring based on water freezing expansion principle |
| CN111405255B (en) * | 2020-05-15 | 2021-03-09 | 吕震 | Thawing apparatus for closed circuit television monitoring based on water freezing expansion principle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594447A (en) | 2017-04-26 |
| CN106594447B (en) | 2019-03-01 |
| CN108266554B (en) | 2019-07-02 |
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