CN206524283U - The temperature detect switch (TDS) of water heater - Google Patents

The temperature detect switch (TDS) of water heater Download PDF

Info

Publication number
CN206524283U
CN206524283U CN201720097416.9U CN201720097416U CN206524283U CN 206524283 U CN206524283 U CN 206524283U CN 201720097416 U CN201720097416 U CN 201720097416U CN 206524283 U CN206524283 U CN 206524283U
Authority
CN
China
Prior art keywords
bridge piece
conducting terminal
touch
contact
tds
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.)
Active
Application number
CN201720097416.9U
Other languages
Chinese (zh)
Inventor
黄普添
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN HUILAIDE ELECTRICAL APPLIANCE Co Ltd
Original Assignee
FOSHAN HUILAIDE ELECTRICAL APPLIANCE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FOSHAN HUILAIDE ELECTRICAL APPLIANCE Co Ltd filed Critical FOSHAN HUILAIDE ELECTRICAL APPLIANCE Co Ltd
Priority to CN201720097416.9U priority Critical patent/CN206524283U/en
Application granted granted Critical
Publication of CN206524283U publication Critical patent/CN206524283U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cookers (AREA)

Abstract

The utility model discloses a kind of temperature detect switch (TDS) of water heater, including base, binding post, conducting terminal and sheet metal touch control component, binding post and conducting terminal are separately positioned on base, sheet metal touch control component includes the sheet metal and touch-control arm of temperature distortion, sheet deformation promotes the movement of touch-control arm, wherein, also include bridge piece and bridge piece elastic mechanism, bridge piece respectively with binding post and conductive terminal contacts, bridge piece elastic mechanism one end compresses bridge piece, the other end of bridge piece elastic mechanism offsets with base, sheet metal touch control component is arranged on base, and touch-control arm is close with bridge piece or offsets;The temperature detect switch (TDS) of such water heater, binding post and conducting terminal are touched or left to bridge piece, realize and be electrically switched on or switched off between binding post and conducting terminal, if meeting high-power electric current use requirement, only need to adjust the thickness of bridge piece, the thickness of binding post and conducting terminal need not be adjusted, both cost is saved, it is again convenient to install and connect, and contact effect is good, working stability, safety, improves temperature detect switch (TDS) practicality.

Description

The temperature detect switch (TDS) of water heater
Technical field
The utility model is related to water heater technical field, more particularly to a kind of temperature detect switch (TDS) of water heater, such as:Electricity The temperature switch device of hot-water bottle.
Background technology
Water heater, such as:Electric kettle, big with easy to use, power, the fast characteristic of firing rate in family, is done Public, hotels and other places all obtain quite varied application.At present, universal electric kettle on the market, its structure include kettle body and Base, kettle body is seated on base, and overheat temperature control can be set in kettle body or base(Protection)Switch, existing temperature detect switch (TDS), it is tied Structure includes base, binding post, conducting terminal and sheet metal touch control component, and binding post and conducting terminal are separately positioned on base On, sheet metal touch control component includes the sheet metal and touch-control arm of temperature distortion, and sheet deformation promotes the movement of touch-control arm, terminals Son extend in base and and conductive terminal contacts, touch-control arm extended to above the contact position of binding post and conducting terminal, when Kettle body temperature overheating, sheet deformation promotes touch-control arm, promotes binding post and conducting terminal to disconnect by touch-control arm, realizes overheat The effect of protection.
But, above-mentioned existing temperature detect switch (TDS) still suffers from following weak point:(1)(Live wire or zero line)Binding post is Extend to(Live wire or zero line)Conducting terminal, to be offseted with conducting terminal, has longer and integrally formed extension; Because the power of water heater is larger, therefore, the mistake of pair of wire connection terminals(Electricity)Stream require it is also higher, however, due to extension with (Zero line or live wire)Binding post is formed in one, to meet excessively stream requirement, it is necessary to be thickeied to overall binding post, but entirely connect Line terminals are made up of copper sheet, if production cost can substantially be increased by thickening binding post, moreover, it is small by conventional temperature control volume of switch, And the factor influence such as complicated, the binding post of thickening is difficult to extend into pedestal, both causes unnecessary fiber crops to installing It is tired, reduce production efficiency, reduce binding post elasticity again, influence binding post with it is corresponding lead between terminal it is good, stably Contact, so as to influence the steady operation of kettle.
Utility model content
The purpose of this utility model is the deficiency for overcoming above-mentioned prior art to exist, and provides a kind of simple in construction, conjunction Reason, can meet the use requirement of high-power electric current, and save cost, working stability, a kind of temperature control of water heater of safety Switch.
What the purpose of this utility model was realized in.
A kind of temperature detect switch (TDS) of water heater, including base, binding post, conducting terminal and sheet metal touch control component, Binding post and conducting terminal are separately positioned on base, and sheet metal touch control component includes the sheet metal and touch-control of temperature distortion Arm, sheet deformation promotes the movement of touch-control arm, it is characterized in that, also include bridge piece and bridge piece elastic mechanism, bridge piece is respectively with connecing Line terminals and conductive terminal contacts, bridge piece elastic mechanism one end compress bridge piece, and the other end and the base of bridge piece elastic mechanism offset, Sheet metal touch control component is arranged on base, and touch-control arm is close with bridge piece or offsets;The temperature detect switch (TDS) of such water heater, By setting up bridge piece, bridge piece is touched or leaves binding post and conducting terminal, realizes between binding post and conducting terminal electrically It is switched on or switched off, if desired meets high-power electric current use requirement, it is only necessary to the thickness of bridge piece is adjusted, without adjusting wiring The thickness of terminal and conducting terminal, both saves cost, again convenient to install and connect, and contact effect is good, working stability, peace Entirely, the temperature detect switch (TDS) practicality of water heater is greatly improved.
Above-mentioned technical proposal can be also made to the following further improve.
As more specifically scheme, the bridge piece elastic mechanism includes the spring of bridge piece first and bridge piece second spring, wherein, One end of the spring of bridge piece first and bridge piece second spring compresses bridge piece respectively, the spring of bridge piece first and bridge piece second spring The other end offsets with base;By setting the spring of bridge piece first and bridge piece second spring in bridge piece, distinguished using two springs Top pressure bridge piece, so that the two-point contact of bridge piece and binding post and conducting end is more stable, is also beneficial to bridge piece and is promoted by touch-control arm When, movement is more stable, it is to avoid because of unitary elasticity mechanism supports, easily cause other end loose contact, causes the safety such as arcing hidden Suffer from, greatly improve the temperature detect switch (TDS) security of water heater.
As more specifically scheme, the upper surface two ends of the bridge piece respectively with binding post and conductive terminal contacts, bridge The lower surface two ends of piece compress the spring of bridge piece first and bridge piece second spring respectively, so that bridge piece two ends junction ensures have preferably Elastic Contact.
As more specifically scheme, the two ends of the bridge piece upper surface are respectively arranged with convex contact point, and two convexs connect Contact respectively with binding post and conductive terminal contacts, so that both contact more stable.
As more specifically scheme, the convex contact point position of binding post bridge piece upper surface corresponding with conducting terminal Contact boss is respectively arranged with, contact boss is contacted with convex contact point, so that both contact more stable.
As more specifically scheme, the sheet metal touch control component also includes upper casing, and upper casing is to be movably mounted at On base, sheet metal is arranged on base and close to upper casing one end, and touch-control arm is arranged on upper casing bottom wall, towards the extension of bridge piece direction, Jump ring connection is additionally provided between the upper casing and base, the temperature detect switch (TDS) of this structure is especially suitable for pressing on handle of kettle Dynamic temperature detect switch (TDS).
As more specifically scheme, the binding post includes fire line terminal and zero terminal, and conducting terminal includes live wire Conducting terminal and zero line conducting terminal, bridge piece include live wire bridge piece and zero line bridge piece, live wire bridge piece respectively with fire line terminal and fire Line conductive terminal contacts, zero line bridge piece respectively with zero terminal and zero line conductive terminal contacts, and live wire bridge piece and zero line bridge piece The spring of bridge piece first and bridge piece second spring are each compressed, sheet metal and touch-control arm are respectively two, and every piece of sheet metal is heated Deform and promote corresponding touch-control arm, live wire bridge piece and zero line bridge piece are adjacent or close with corresponding touch-control arm respectively;This side Case, by setting up live wire bridge piece and zero line bridge piece, high-power electric current use requirement is met for fire line terminal and zero terminal, this In only need to adjust the thickness of bridge piece, the thickness without adjusting fire line terminal and zero terminal both saves cost, and conveniently Install and connect, and contact effect is good, greatly improves temperature detect switch (TDS) practicality.
As more specifically scheme, the sheet metal touch control component also includes support, two sheet metals and two touch-controls Arm is separately positioned on support, and support is arranged on base top, so as to the installation of sheet metal and touch-control arm.
As more specifically scheme, the two ends of the upper surface of the live wire bridge piece and the upper surface of zero line bridge piece are each set Have two convex contact points, two convex contact points of live wire bridge piece respectively with fire line terminal and live wire conductive terminal contacts, zero Two convex contact points of line bridge piece respectively with zero terminal and zero line conductive terminal contacts, so as to both be steadily contacted.
As more specifically scheme, the convex of fire line terminal live wire bridge piece upper surface corresponding with live wire conducting terminal connects Contact position is respectively arranged with contact boss, and contact boss is contacted with convex contact point, zero terminal and zero line conducting terminal pair The convex contact point position of zero line bridge piece upper surface is answered to be respectively arranged with contact boss, contact boss is contacted with convex contact point, So that both are steadily contacted.
As more specifically scheme, inside and outside two concentric big small copper rings, big small copper ring point are additionally provided with the base It is not connected with zero line conducting terminal and live wire conducting terminal.By setting big small copper ring, increase zero line conducting terminal and live wire are led The contact area of electric terminal, the conductive effect of temperature controller is more preferably.
The beneficial effects of the utility model are as follows:
(1)The temperature detect switch (TDS) of such water heater, by setting up bridge piece, binding post and conduction are touched or left to bridge piece Terminal, realizes and is electrically switched on or switched off between binding post and conducting terminal, if desired meets high-power electric current use requirement, only The thickness of adjustment bridge piece is needed, the thickness without adjusting binding post and conducting terminal both saves cost, it is again convenient to install And connection, and contact effect is good, working stability, and safety greatly improves the temperature detect switch (TDS) practicality of water heater.
(2)Further, the spring of bridge piece first and the resetting-mechanism of bridge piece second spring formation bridge piece, when sheet metal temperature distortion The action of touch-control arm is promoted, touch-control arm only needs to press lightly on bridge piece, you can bridge piece electrically disconnects with binding post and conducting terminal, It is quick on the draw, improves the sensitivity of the temperature detect switch (TDS) of water heater.
Brief description of the drawings
Fig. 1 is the schematic diagram of the temperature detect switch (TDS) embodiment one of the utility model water heater.
Fig. 2 is Fig. 1 top view.
Fig. 3 for Fig. 2 A-A to cut-away view.
Fig. 4 is Fig. 2 B-B direction cut-away view.
Fig. 5 is Fig. 1 temperature detect switch (TDS) installation diagram.
Fig. 6 is the schematic diagram of the temperature detect switch (TDS) embodiment two of the utility model water heater.
Fig. 7 is Fig. 6 top view.
Fig. 8 for Fig. 7 C-C to cut-away view.
Fig. 9 for Fig. 7 D-D to cut-away view.
Figure 10 is the installation diagram of the temperature detect switch (TDS) embodiment two of the utility model water heater.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Embodiment one, with reference to shown in Fig. 1 to Fig. 5, a kind of temperature detect switch (TDS) of water heater, including base 1, binding post 2nd, conducting terminal 3 and sheet metal touch control component 4, the binding post 2 and conducting terminal 3 are separately positioned on base 1, described to connect Line terminals 2 and conducting terminal 3 are provided with contact boss 5.
In the present embodiment, the sheet metal touch control component 4 includes bridge piece 41, by the first spring of bridge piece 42 and the bullet of bridge piece second Bridge piece spring mechanism E, upper casing 44, the sheet metal 45 and touch-control arm 46 of temperature distortion of the composition of spring 43.The upper surface of bridge piece 41 Two ends be respectively arranged with convex contact point 411, the two ends of the lower surface of bridge piece 41 are respectively arranged with spring convex spacing 412.
One end of first spring of bridge piece 42 and bridge piece second spring 43 offsets with base 1, the He of the first spring of bridge piece 42 The other end of bridge piece second spring 43 is nested with the spring convex spacing 412 of the lower surface of bridge piece 41 respectively, the spring of bridge piece first 42 and the resetting-mechanism of the formation bridge piece 41 of bridge piece second spring 43, so that bridge piece 41 is touched or away from binding post 2 and conducting end Son 3.
The upper casing 44 is additionally provided with jump ring 6, jump ring to be movably mounted on base 1 between upper casing 44 and base 1 Locking or release between 6 driving upper casings 44 and base 1, sheet metal 45 are arranged on base 1, and close to the one end of upper casing 44, touch-control Arm 46 is arranged on the bottom wall of upper casing 44 and extended towards the direction of bridge piece 41.
When water heater is heated, pressing upper casing 44 is so that jump ring 6 locks together upper casing 44 and base 1, bridge piece 41 contact binding posts 2 and conducting terminal 3, realize that binding post 2 and conducting terminal 3 are electrically connected, when the boiling water of water heater When, producing high temperature causes the temperature distortion of sheet metal 45, and the touching jump ring 6 of sheet metal 45, the release upper casing 44 of jump ring 6 causes touch-control arm 46 promote bridge piece 41, the separation binding post 2 of bridge piece 41 and conducting terminal 3, realize that binding post 2 and conducting terminal 3 electrically disconnect.
Embodiment two:With reference to shown in Fig. 6 to Figure 10, a kind of temperature detect switch (TDS) of water heater, including base 1, zero line Son 21, live wire bridge piece 7, live wire conducting terminal 31, zero terminal 22, zero line bridge piece 8, zero line conducting terminal 32, the bullet of bridge piece first Spring 42, bridge piece second spring 43 and sheet metal touch control component 4.
The fire line terminal 21 and live wire conducting terminal 22 are provided with contact boss 5, and live wire conducting terminal 21 is connected greatly Copper ring 9.The two ends of the upper surface of live wire bridge piece 7 are respectively arranged with convex contact point 411, the two ends of the lower surface of live wire bridge piece 7 It is respectively arranged with spring convex spacing 412.
One end of first spring of bridge piece 42 and bridge piece second spring 43 offsets with base 1, the He of the first spring of bridge piece 42 The other end of bridge piece second spring 43 is nested with the spring convex spacing 412 of the lower surface of live wire bridge piece 7 respectively, the bullet of bridge piece first The resetting-mechanism of spring 42 and the formation live wire of bridge piece second spring 43 bridge piece 7, so that live wire bridge piece 7 is touched or away from fire line terminal 21 With live wire conducting terminal 31.
The zero terminal 22 and zero line conducting terminal 32 are provided with contact boss 5, and zero line conducting terminal 22 connects small Copper ring 10.The two ends of the upper surface of zero line bridge piece 8 are respectively arranged with convex contact point 411, the two ends of the lower surface of zero line bridge piece 8 It is respectively arranged with spring convex spacing 412.
One end of first spring of bridge piece 42 and bridge piece second spring 43 offsets with base 1, the He of the first spring of bridge piece 42 The other end of bridge piece second spring 43 is nested with the spring convex spacing 412 of the lower surface of zero line bridge piece 8 respectively, the bullet of bridge piece first The resetting-mechanism of spring 42 and the formation zero line of bridge piece second spring 43 bridge piece 8, so that zero line bridge piece 8 is touched or away from zero terminal 22 With zero line conducting terminal 32.
The sheet metal touch control component 4 includes support 47, the sheet metal 45 and two touch-control arms 46 of two temperature distortions, institute Support 47 is stated installed in the top of base 1, one sheet metal 45 is arranged on the side of support 47, and a touch-control arm 46 is arranged on bottom In seat 1, the one end of touch-control arm 46 is resisted against sheet metal 45, and the other end of touch-control arm 46 is resisted against in live wire bridge piece 7, and sheet metal 45 is controlled Touch-control arm 46 is acted, and touch-control arm 46 drives live wire bridge piece 7 to touch or away from fire line terminal 21 and live wire conducting terminal 31.It is described another One sheet metal 45 is arranged on the opposite side of support 47, and another touch-control arm 46 is arranged in base 1, and the one end of touch-control arm 46 is resisted against Sheet metal 45, touch-control arm 46 drives zero line bridge piece 8 to touch or away from zero terminal 22 and zero line conducting terminal 32.
When water heater is heated, the contact fire line terminal 21 of live wire bridge piece 7 and live wire conducting terminal 31, zero line bridge piece 8 Zero terminal 22 and zero line conducting terminal 32 are contacted, realizes that water heater is electrically connected, when the boiling water of water heater, is produced high Temperature causes two temperature distortions of sheet metal 45, and sheet metal 45 promotes corresponding touch-control arm 46 to act, so that live wire bridge piece 7 disconnects fire Line terminals 21 and live wire conducting terminal 31, zero line bridge piece 8 disconnect zero terminal 22 and zero line conducting terminal 32.
The temperature detect switch (TDS) of above-described embodiment, can apply on kettle or other water heaters tool, no longer arrange one by one here Lift.

Claims (10)

1. a kind of temperature detect switch (TDS) of water heater, including base(1), binding post(2), conducting terminal(3)Touched with sheet metal Control component(4), binding post(2)And conducting terminal(3)It is separately positioned on base(1)On, sheet metal touch control component(4)Including by The sheet metal of thermal deformation(45)With touch-control arm(46), sheet metal(45)Deformation promotes touch-control arm(46)It is mobile, it is characterized in that, also wrap Bridge piece is included(41)With bridge piece elastic mechanism(E), bridge piece(41)Respectively with binding post(2)And conducting terminal(3)Contact, bridge piece Elastic mechanism(E)One end compresses bridge piece(41), the other end and base(1)Offset, sheet metal touch control component(4)It is arranged on base (1)On, and touch-control arm(46)With bridge piece(41)It is close or offset.
2. the temperature detect switch (TDS) of water heater according to claim 1, it is characterized in that, the bridge piece elastic mechanism(E)Including The spring of bridge piece first(42)With bridge piece second spring(43), the spring of bridge piece first(42)With bridge piece second spring(43)One end point Bridge piece is not compressed(41), the spring of bridge piece first(42)With bridge piece second spring(43)The other end and base(1)Offset.
3. the temperature detect switch (TDS) of water heater according to claim 2, it is characterized in that, the bridge piece(41)Upper surface two ends Respectively with binding post(2)And conducting terminal(3)Contact, bridge piece(41)Lower surface two ends compress the spring of bridge piece first respectively (42)With bridge piece second spring(43).
4. the temperature detect switch (TDS) of water heater according to claim 2, it is characterized in that, the bridge piece(41)The two ends of upper surface It is respectively arranged with convex contact point(411), two convex contact points(411)Respectively with binding post(2)And conducting terminal(3)Connect Touch.
5. the temperature detect switch (TDS) of water heater according to claim 4, it is characterized in that, the binding post(2)And conducting end Son(3)Correspondence bridge piece(41)The convex contact point of upper surface(411)Position is respectively arranged with contact boss(5), contact boss(5) With convex contact point(411)Contact.
6. the temperature detect switch (TDS) of water heater according to claim 2, it is characterized in that, the sheet metal touch control component(4)Also Include upper casing(44), upper casing(44)To be movably mounted at base(1)On, sheet metal(45)Installed in base(1)It is upper and Close to upper casing(44)One end, touch-control arm(46)It is arranged on upper casing(44)Bottom wall, towards bridge piece(41)Direction extends, the upper casing(44) With base(1)Between be additionally provided with jump ring(6)Connection.
7. the temperature detect switch (TDS) of water heater according to claim 2, it is characterized in that, the binding post(2)Including live wire Terminal(21)And zero terminal(22), conducting terminal(3)Including live wire conducting terminal(31)With zero line conducting terminal(32), bridge piece (41)Including live wire bridge piece(7)With zero line bridge piece(8), live wire bridge piece(7)Respectively with fire line terminal(21)With live wire conducting terminal (31)Contact, zero line bridge piece(8)Respectively with zero terminal(22)With zero line conducting terminal (32) contact, and live wire bridge piece (7) and Zero line bridge piece (8) has each compressed the spring of bridge piece first (42) and bridge piece second spring (43), sheet metal(45)With touch-control arm (46)Respectively two, every piece of sheet metal(45)Temperature distortion and promote corresponding touch-control arm(46), live wire bridge piece(7)And zero line Bridge piece(8)Respectively with corresponding touch-control arm(46)It is adjacent or close.
8. the temperature detect switch (TDS) of water heater according to claim 7, it is characterized in that, the sheet metal touch control component(4)Also Include support(47), two sheet metals(45)With two touch-control arms(46)It is separately positioned on support(47)On, support(47)Peace Mounted in base(1)Top.
9. the temperature detect switch (TDS) of water heater according to claim 7, it is characterized in that, the live wire bridge piece(7)Upper surface With zero line bridge piece(8)The two ends of upper surface be each provided with two convex contact points(411), live wire bridge piece(7)Two it is convex Shape contact point(411)Respectively with fire line terminal(21)With live wire conducting terminal(31)Contact, zero line bridge piece(8)Two convexs connect Contact(411)Respectively with zero terminal(22)With zero line conducting terminal(32)Contact.
10. the temperature detect switch (TDS) of water heater according to claim 7, it is characterized in that, the fire line terminal(21)And live wire Conducting terminal(31)Correspondence live wire bridge piece(7)The convex contact point of upper surface(411)Position is respectively arranged with contact boss(5), Contact boss(5)With convex contact point(411)Contact, zero terminal(22)With zero line conducting terminal(32)Correspondence zero line bridge piece (8)The convex contact point of upper surface(411)Position is respectively arranged with contact boss(5), contact boss(5)With convex contact point (411)Contact.
CN201720097416.9U 2017-01-25 2017-01-25 The temperature detect switch (TDS) of water heater Active CN206524283U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720097416.9U CN206524283U (en) 2017-01-25 2017-01-25 The temperature detect switch (TDS) of water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720097416.9U CN206524283U (en) 2017-01-25 2017-01-25 The temperature detect switch (TDS) of water heater

Publications (1)

Publication Number Publication Date
CN206524283U true CN206524283U (en) 2017-09-26

Family

ID=59891245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720097416.9U Active CN206524283U (en) 2017-01-25 2017-01-25 The temperature detect switch (TDS) of water heater

Country Status (1)

Country Link
CN (1) CN206524283U (en)

Similar Documents

Publication Publication Date Title
CN104821255B (en) Overheat the Kick type temperature controller of safeguard protection
CN202908514U (en) Electric heating device capable of achieving on-off state by induction weight
CN206524283U (en) The temperature detect switch (TDS) of water heater
CN201369481Y (en) Plug structure of electric kettle torque converter
CN208336090U (en) The anti-reset temperature controller of dual fail-safe
CN203850202U (en) Novel 6-10V clamping type isolation switch
CN102751137B (en) Abreast double pressure travel switch
CN206524425U (en) The coupler of water heater
CN213093516U (en) Conductive connecting buckle of heating product
CN207183165U (en) The coupler that a kind of new shell fragment resets
CN104452244A (en) Novel household electric iron
CN210349705U (en) Adjustable temperature controller
CN207409427U (en) The upper seat of temperature controller that a kind of novel manual resets
CN209515561U (en) A kind of temperature controller
CN104021983B (en) A kind of adjustable temperature controlled switch and application method
CN207367879U (en) A kind of temperature controller for improving resetting structure
CN207572690U (en) A kind of electric kettle cordless connector with dry combustion method detection contact
CN206336491U (en) A kind of conductive structure on vacuum packing machine
CN207264973U (en) The coupler that a kind of novel manual resets
CN209118995U (en) A kind of improved inserted-link type temperature controller
CN101727112A (en) Temperature controller of electrothermal water boiling kettle
CN103295837B (en) Bipolar double-control temperature controller
CN204467795U (en) Electric heating water boiling device
CN204977420U (en) A heating tile for plastic uptake machine
CN215121228U (en) Wiring device for electric heating body

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant