CN109585104A - A kind of detachable water-cooled resistor - Google Patents
A kind of detachable water-cooled resistor Download PDFInfo
- Publication number
- CN109585104A CN109585104A CN201811599844.7A CN201811599844A CN109585104A CN 109585104 A CN109585104 A CN 109585104A CN 201811599844 A CN201811599844 A CN 201811599844A CN 109585104 A CN109585104 A CN 109585104A
- Authority
- CN
- China
- Prior art keywords
- metal tube
- leading
- resistance wire
- resistance
- open end
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- 239000000843 powder Substances 0.000 claims abstract description 28
- 210000004534 cecum Anatomy 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 76
- 239000000395 magnesium oxide Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/082—Cooling, heating or ventilating arrangements using forced fluid flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/16—Adjustable resistors including plural resistive elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Resistors (AREA)
Abstract
A kind of detachable water-cooled resistor of the invention, cylinder and flanged plate including surrounding inner cavity jointly, cylinder are equipped with inlet and outlet；It further include multiple resistance units, each resistance unit includes metal tube, resistance wire and two leading-out terminals, metal tube one end is the cecum of indent, the other end is open end, the inner end of two leading-out terminals is inserted into from the open end of metal tube, the outer end of two leading-out terminals is extended outside metal tube, and resistance wire is accommodated in metal tube, and inner end of the both ends of resistance wire respectively with two leading-out terminals is fixed；Insulating powder is filled in metal tube, and insulating powder envelopes resistance wire and leading-out terminal inner end；The open end of metal tube is lived by encapsulating；The cecum of detachably connected flanged plate on the outside of the open end of metal tube, metal tube extends towards the inner cavity.The detachably connected flanged plate of metal tube, is conveniently replaceable maintenance.
Description
Technical field
The present invention relates to resistor technologies fields, and in particular to a kind of detachable water-cooled resistor.
Background technique
Existing metal tube resistor generally comprises multiple resistance units, and structure generally comprises metal tube and is threaded through gold
Belong to the resistance wire in pipe, the both ends of metal tube inserted with the metal bar as exit, resistance wire both ends respectively with metal tube
The metal bar at both ends is connected, and nonconducting metal oxide filler, metal oxide filler cladding are filled in metal tube
Resistance wire and metal bar surface.In the prior art, water-cooled resistor is usually by the both ends of each metal tube of resistance unit
It is weldingly fixed on the opposite two sidewalls of container, the middle part of metal tube is located inside container, and container has inlet and outlet, cold
But liquid enters from the inlet in container, directly contacts with the outer wall of metal tube and takes away heat, then flows out from water outlet.
However the two sidewalls opposite in container are respectively welded in every resistance unit, then need reserved in this two sidewalls outside
Enough patching operations spaces, occupied space is big, and it is inconvenient to operate wiring at two respectively.If realizing the input of resistor
End output end is located at same direction, and conventional method is that each resistance unit integrally bending is in U-shape, the both ends of each resistance unit
Portion passes through the same side wall of container, and multiple resistance units are got up in series and parallel according to resistance value demand, passes through and fixes for resistance unit
Container side wall size it is limited, corresponding resistance unit quantity will be restricted, and U-shaped resistance unit length is longer,
The resistance value of each resistance unit is big, and the series-parallel resistance value adjustable extent of multiple big valued resistor units is small.Furthermore this structure system
It is big to make difficulty, it is at high cost.
Summary of the invention
For the prior art there are above-mentioned technical problem, the present invention, which provides one kind, can install the removable of more resistance units
Unload water-cooled resistor.
To achieve the above object, the present invention the following technical schemes are provided:
A kind of detachable water-cooled resistor is provided, cylinder and flanged plate including surrounding inner cavity jointly, cylinder are equipped with water inlet
Mouth and water outlet；It further include multiple resistance units, each resistance unit includes metal tube, resistance wire and two leading-out terminals, gold
Belonging to the cecum that pipe one end is indent, the other end is open end, and the inner end of two leading-out terminals is inserted into from the open end of metal tube,
The outer end of two leading-out terminals is extended outside metal tube, and resistance wire is accommodated in metal tube, and the both ends of resistance wire respectively with
The inner end of two leading-out terminals is fixed；Insulating powder is filled in metal tube, and insulating powder envelopes in resistance wire and leading-out terminal
End；The open end of metal tube is lived by encapsulating；Detachably connected flanged plate on the outside of the open end of metal tube, the cecum court of metal tube
The inner cavity extends.
Wherein, the open end of metal tube is fixed with flange bolt, is threadedly coupled between flange bolt and flanged plate.
Wherein, the open end of metal tube is fixed with flange bolt, and flange bolt is configured with nut, and flange bolt and nut are total
Flanged plate is lock into by metal tube.
Wherein, the cylinder is equipped with boss, and boss is provided with connecting hole, bolt assembly, flanged plate and cylinder are installed on boss
Boss between be fixed to each other by bolt assembly.
Wherein, resistance unit further includes magnesia tube, and magnesia tube is opened there are two through-hole, two leading-out terminals it is interior
End is inserted into two through-holes respectively, and resistance wire is through round in the two through-holes, is installed with the magnesia tube of resistance wire as one
In a entirety insertion metal tube, and the insulating powder is filled in through-hole, between magnesia tube outer wall and inner wall of metal tube
Fill the insulating powder.
Wherein, insulating powder is magnesia powder.
Beneficial effects of the present invention:
Detachable water-cooled resistor of the invention, compared with prior art, two leading-out terminals of each resistance unit are equal
It is pierced by from the same port of metal tube, only one end connecting flange plate, flanged plate can install more resistance to each resistance unit
Unit, series-parallel a certain number of resistance units according to demand in practice, the adjustable extent of resistance is big, and flexibility is stronger.
Furthermore operator can operate wiring, easy-to-connect in the same side of cylinder.Only there need to be leading-out terminal in cylinder
There are wiring space around the side of stretching, whole occupied space is few.The detachably connected flanged plate of metal tube, convenient for more
Change maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the detachable water-cooled resistor in embodiment, wherein concealing resistance wire and magnesia
Powder.
Fig. 2 be embodiment in detachable water-cooled resistor another structure schematic diagram, wherein conceal resistance wire and
Magnesia powder.
Fig. 3 is the structural schematic diagram of the resistance unit in Fig. 1.
Appended drawing reference:
Resistance unit 1, metal tube 11, resistance wire 12, leading-out terminal 13, flange bolt 141/142, magnesia tube 15, oxygen
Change magnesium powder 16；
Cylinder 2, inner cavity 21, water inlet 22, water outlet 23, boss 24；
Flanged plate 3, bolt assembly 31.
Specific embodiment
Below in conjunction with specific embodiments and drawings, the present invention is described in detail.
The detachable water-cooled resistor of the present embodiment, as shown in Figure 1, including the cylinder 2 and flange for surrounding inner cavity 21 jointly
Plate 3, the cylinder 2 are equipped with boss 24, and boss 24 is provided with connecting hole, bolt assembly 31, flanged plate 3 and cylinder are installed on boss 24
It is mutually removably secured between 2 boss 24 by bolt assembly 31.Cylinder 2 is equipped with water inlet 22 and water outlet 23.Knot
It closes shown in Fig. 3, flanged plate 3 is installed with multiple resistance units 1, and each resistance unit 1 draws including metal tube 11, resistance wire 12 and two
Terminal 13 out, 11 one end of metal tube are the cecum of indent, and the other end is open end, and the inner end of two leading-out terminals 13 is from metal
The open end of pipe 11 is inserted into, and the outer end of two leading-out terminals 13 is extended outside metal tube 11, and resistance wire 12 is accommodated in metal tube
In 11, and inner end of the both ends of resistance wire 12 respectively with two leading-out terminals 13 is fixed；Magnesia powder is filled in metal tube 11
16, and magnesia powder 16 envelopes 13 inner end of resistance wire 12 and leading-out terminal；The open end of metal tube 11 is lived by encapsulating.Metal tube
11 open end is welded with flange bolt 141, and flange bolt 141 is configured with nut, and flange bolt 141 and nut are jointly by metal
Pipe 11 lock onto flanged plate 3, and sealing ring is equipped between nut and flanged plate 3.The cecum of metal tube 11 extends towards the inner cavity 21.
Connection between metal tube 11 and flanged plate 3 can also be changed to structure as shown in Figure 2, and the open end of resistance unit 1 is welded with
Flange bolt 142, flanged plate 3 are provided with corresponding threaded hole, are threadedly coupled between flange bolt 142 and flanged plate 3.If resistance
Element solder is fixed on flanged plate, and welding structure is easy to appear bubble, rosin joint, is easy to appear water leakage fault.Two above is implemented
Flanged plate 3 and resistance unit 1 are mutually removably secured by example by flange bolt 141/142, more reliable performance.And when electricity
Resistance unit 1 burns out or occurs other bad phenomenons, can easily replace fault resstance unit disassembling, avoid resistor
Entirety is scrapped.When needing the resistor of different capacity resistance value, resistance unit 1 can be very easily replaced, realizes a resistance
Device plurality of specifications model, save the cost.Two leading-out terminals 13 of each resistance unit 1 are worn from the same port of metal tube 11
Out, each resistance unit 1 only one end connecting flange plate 3, flanged plate 3 can install more resistance units 1, in practice according to need
Series-parallel a certain number of resistance units 1 are sought, the adjustable extent of resistance is big, and flexibility is stronger.Furthermore leading-out terminal 13 is equal
It is pierced by from flanged plate 3, operator can operate wiring, easy-to-connect in the same side of cylinder 2.Only there need to be extraction in cylinder 2
There are wiring space around the side that terminal 13 stretches out, whole occupied space is few.
In the present embodiment, resistance unit 1 further includes magnesia tube 15, and magnesia tube 15 is opened there are two through-hole, and described two
The inner end of leading-out terminal 13 is inserted into respectively in two through-holes, and resistance wire 12 is through round in the two through-holes, is installed with resistance wire
12 magnesia tube 15 is inserted into metal tube 11 as a whole, and the magnesia powder 16 is filled in through-hole,
The magnesia powder 16 is filled between 11 inner wall of 15 outer wall of magnesia tube and metal tube, magnesia tube 15 and magnesia powder 16 are
Magnesia material.
In the present embodiment, the manufacturing method of above-mentioned resistance unit 1 includes:
Terminal fixing step is respectively fixed to two leading-out terminals 13 at the both ends of resistance wire 12；
It is intubated step and two leading-out terminals 13 is inserted into two of magnesia tube 15 from the same end of magnesia tube 15 respectively
In through-hole, until two leading-out terminals 13 are pierced by from the other end of magnesia tube 15, so that the resistance wire 12 of spring like is circuitous
It is through in two through-holes of magnesia tube 15 with returning；Using being installed with the magnesia tube 15 of resistance wire 12 and leading-out terminal 13 as one
In a entirety insertion metal tube 11；
Filling step fills magnesia powder 16, is filled in magnesia powder 16 in two through-holes of magnesia tube 15,
And it is filled between 11 inner wall of 15 outer wall of magnesia tube and metal tube；
The lock procedure executed after filling step seals the open end encapsulating of metal tube 11；
The draw step executed after lock procedure elongates metal tube 11 by special equipment, makes metal tube 11
Wall thickness reduction and diameter reduction, while the indent degree of cecum increases, to be compacted magnesia powder 16.The process of elongate metal pipe 11
In, the inner wall of metal tube 11 applies extruding force inwardly everywhere, presses more tight to the magnesia powder 16 in metal tube 11, will not go out
The defect that the magnesia powder 16 at existing 11 middle part of metal tube loosens.The side wall of metal tube 11 also applies extruding force to cecum, so that blind
It holds the degree of indent bigger, is compacted magnesia powder 16 inwardly.Assuming that the cecum of metal tube 11 is flush end, the cecum during draw
It can protrude outwardly, compacting 16 effect of magnesia powder can be reduced.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of detachable water-cooled resistor, it is characterized in that: include the cylinder and flanged plate for surrounding inner cavity jointly, cylinder be equipped with into
The mouth of a river and water outlet；It further include multiple resistance units, each resistance unit includes metal tube, resistance wire and two leading-out terminals,
Metal tube one end is the cecum of indent, and the other end is open end, and the inner end of two leading-out terminals is inserted from the open end of metal tube
Enter, the outer end of two leading-out terminals is extended outside metal tube, and resistance wire is accommodated in metal tube, and the both ends difference of resistance wire
It is fixed with the inner end of two leading-out terminals；Insulating powder is filled in metal tube, and insulating powder envelopes resistance wire and leading-out terminal
Inner end；The open end of metal tube is lived by encapsulating；Detachably connected flanged plate on the outside of the open end of metal tube, the cecum of metal tube
Extend towards the inner cavity.
2. a kind of detachable water-cooled resistor according to claim 1, it is characterized in that: the open end of metal tube is fixed with method
Blue bolt, is threadedly coupled between flange bolt and flanged plate.
3. a kind of detachable water-cooled resistor according to claim 1, it is characterized in that: the open end of metal tube is fixed with method
Blue bolt, flange bolt are configured with nut, and metal tube is lock onto flanged plate jointly by flange bolt and nut.
4. a kind of detachable water-cooled resistor according to claim 1, it is characterized in that: the cylinder is equipped with boss, boss
It is provided with connecting hole, bolt assembly is installed on boss, is fixed to each other between flanged plate and the boss of cylinder by bolt assembly.
5. a kind of detachable water-cooled resistor according to claim 1, it is characterized in that: resistance unit further includes magnesia
Pipe, magnesia tube are opened there are two through-hole, and the inner end of two leading-out terminals is inserted into respectively in two through-holes, and resistance wire is round
It is through in the two through-holes, the magnesia tube for being installed with resistance wire is inserted into metal tube as a whole, and is filled in through-hole
There is the insulating powder, the insulating powder is filled between magnesia tube outer wall and inner wall of metal tube.
6. a kind of detachable water-cooled resistor according to claim 5, it is characterized in that: insulating powder is magnesia powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599844.7A CN109585104A (en) | 2018-12-26 | 2018-12-26 | A kind of detachable water-cooled resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599844.7A CN109585104A (en) | 2018-12-26 | 2018-12-26 | A kind of detachable water-cooled resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109585104A true CN109585104A (en) | 2019-04-05 |
Family
ID=65932745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599844.7A Pending CN109585104A (en) | 2018-12-26 | 2018-12-26 | A kind of detachable water-cooled resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109585104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116130182A (en) * | 2022-12-29 | 2023-05-16 | 湖南福德电气有限公司 | A water-cooled load for easy dirt removal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641850A1 (en) * | 1986-12-08 | 1988-06-16 | Siemens Ag | Coolant-cooled wire resistor |
| EP0551914A2 (en) * | 1992-01-15 | 1993-07-21 | Elpag Ag Chur | Device for mounting a heating device in an opening in the wall of a container |
| CN2870361Y (en) * | 2005-12-20 | 2007-02-14 | 邱光斌 | Single-head wire leading-out type multi-layer insulation electric heating tube |
| CN106416424A (en) * | 2014-01-30 | 2017-02-15 | 京瓷株式会社 | heater |
| CN109065304A (en) * | 2018-06-29 | 2018-12-21 | 广东福德电子有限公司 | A kind of high-power water-cooling metal tube resistor |
| CN209487261U (en) * | 2018-12-26 | 2019-10-11 | 湖南福德电气有限公司 | A kind of detachable water-cooled resistor |
-
2018
- 2018-12-26 CN CN201811599844.7A patent/CN109585104A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641850A1 (en) * | 1986-12-08 | 1988-06-16 | Siemens Ag | Coolant-cooled wire resistor |
| EP0551914A2 (en) * | 1992-01-15 | 1993-07-21 | Elpag Ag Chur | Device for mounting a heating device in an opening in the wall of a container |
| CN2870361Y (en) * | 2005-12-20 | 2007-02-14 | 邱光斌 | Single-head wire leading-out type multi-layer insulation electric heating tube |
| CN106416424A (en) * | 2014-01-30 | 2017-02-15 | 京瓷株式会社 | heater |
| CN109065304A (en) * | 2018-06-29 | 2018-12-21 | 广东福德电子有限公司 | A kind of high-power water-cooling metal tube resistor |
| CN209487261U (en) * | 2018-12-26 | 2019-10-11 | 湖南福德电气有限公司 | A kind of detachable water-cooled resistor |
Non-Patent Citations (2)
| Title |
|---|
| 于志中，熊中实: "《钢材管理知识》", 31 March 1984, 北京：冶金工业出版社, pages: 108 * |
| 潘日晖: "《电熨斗》", 30 April 1981, 北京：科学普及出版社；广州分社, pages: 23 - 24 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116130182A (en) * | 2022-12-29 | 2023-05-16 | 湖南福德电气有限公司 | A water-cooled load for easy dirt removal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209487261U (en) | A kind of detachable water-cooled resistor | |
| CN201521717U (en) | Cable lead sealing device in vacuum positive and negative pressure state | |
| EP1942325B1 (en) | Sealing device for sealing a pressure gauge cell unit, pressure gauge cell unit respectively measuring device fitted therewith | |
| CN109585104A (en) | A kind of detachable water-cooled resistor | |
| CN109915674A (en) | A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation | |
| CN206834350U (en) | The heteromorphic connector main body of cable intermediate joint and its cable intermediate joint of composition | |
| CN104344128B (en) | One can coiling reinforced composite pipe assembly | |
| CN213018229U (en) | Pipeline connecting device for steam-water separator | |
| CN103680644B (en) | The tightness system that a kind of guiding tube crossing with pressurized vessel is connected | |
| CN201096679Y (en) | Sealing device for small-diameter pipe pressure test | |
| CH446831A (en) | Insulating connection for pipelines | |
| CN201975245U (en) | Pluggable cable transformer | |
| CN202695140U (en) | Wiring terminal for capacitor unit wire outlet sleeve pipe and wiring structure of wiring terminal | |
| DE19516830A1 (en) | Pressing tools and methods for connecting tubular elements | |
| CN213745517U (en) | Filling device for feeding and discharging steel epoxy sleeve | |
| CN215262304U (en) | Silane crosslinked polyethylene pipe airtightness testing device | |
| CN212131675U (en) | High-performance three-way pipe for refrigerator | |
| CN201799763U (en) | Split type stainless steel pipeline welding back filled argon protection device | |
| CN209878318U (en) | Pressure test device for socket welding stop valve | |
| CN201375856Y (en) | Adjustable fast-assembling pipeline filter | |
| CN105931819B (en) | The modularization lead-out wire unit of emitting underground transformer | |
| CN209674782U (en) | A kind of lossless LED charactrons with pressure-pad | |
| CN217765112U (en) | Multifunctional intelligent water meter based on Internet of things | |
| CN208900741U (en) | A kind of no valve cover type Y-valve | |
| DE102012022975A1 (en) | Device for sealing leakage of e.g. gas in T-fitting of fluid-carrying conduit, has cavities which are provided between leakage junction portion and casing such that outward flow of flowable material is prevented by sealing portion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |