CN105047475B - A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch - Google Patents

A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch Download PDF

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Publication number
CN105047475B
CN105047475B CN201510492149.0A CN201510492149A CN105047475B CN 105047475 B CN105047475 B CN 105047475B CN 201510492149 A CN201510492149 A CN 201510492149A CN 105047475 B CN105047475 B CN 105047475B
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CN
China
Prior art keywords
magnetic
temperature
compound
sensitive
control switch
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Expired - Fee Related
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CN201510492149.0A
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Chinese (zh)
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CN105047475A (en
Inventor
赵天安
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Foshan Chuandong Magnetoelectricity Co Ltd
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Foshan Chuandong Magnetoelectricity Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/02Details
    • H01H37/32Thermally-sensitive members
    • H01H37/58Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

The present invention provides a kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch, and the compound magnetic tube includes ferromagnetic metal housing, the permanent magnet being arranged in ferromagnetic metal housing cavity, temperature-sensitive soft body is filled between the ferromagnetic metal housing and permanent magnet.The temperature-sensitive magnetic-control switch that the present invention is realized by the compound magnetic tube is compared to existing temperature detect switch (TDS), it has simple in construction, the characteristics of control accuracy is high, the temperature-sensitive magnetic-control switch of the present invention can carry out function setting as needed simultaneously, thus it has multifunction switch effect, also enable the temperature-sensitive magnetic-control switch of the present invention to be applied to a variety of occasions, meet the different demands of user.

Description

A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch
Technical field
The present invention relates to temperature sensitive controlling switch technical field, more particularly to a kind of compound magnetic tube and a kind of temperature sensitive magnetic control to open Close.
Background technology
Conventional temperature control device is usually to be made up of temperature-sensitive elements such as thermistor, bimetal leafs, this kind of temperature controlling device conduct Product is in use, thermosensitive resistance type temperature controller need to have auxiliary circuit to coordinate the control function that could realize temperature, bi-metallic laminar kind Although temperature control function can be implemented separately in temperature controller, it is easily influenceed by ambient temperature, and precision is low, recovery temperature return difference Greatly, structure is more complicated, and the life-span is low, manufacturing process difficulty is big.And existing temperature controlling device purposes is single, it is not suitable for disappearing now The person of expense is to electrical equipment high-intelligentization and the requirement of multifunction.
Therefore, prior art needs further to improve.
The content of the invention
In view of the deficiencies in the prior art, the invention reside in provide a kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch, it is intended to Solves the problem of existing temperature detect switch (TDS) precision is low, and function is single.
Technical scheme is as follows:
A kind of compound magnetic tube, wherein, the compound magnetic tube includes ferromagnetic metal housing, is arranged on ferromagnetic metal housing Permanent magnet in inner chamber, temperature-sensitive soft body, the temperature-sensitive soft are filled between the ferromagnetic metal housing and permanent magnet Body is permeability magnetic material, including ferrite, alloy material etc..
Described compound magnetic tube, wherein, the ferromagnetic metal housing is the barrel-shaped housing being made up of ferromagnetic metal.
Described compound magnetic tube, wherein, the permanent magnet is column structure and is arranged in ferromagnetic metal housing cavity Centre.
A kind of temperature-sensitive magnetic-control switch, wherein, including compound magnetic tube as described above, wherein, the compound magnetic tube is two And it is correspondingly arranged in opposite directions, the respectively compound magnetic tube of the changeless fixing end in position and the compound magnetic of movable end that can be subjected to displacement Pipe, the conducting that the compound magnetic tube of movable end is connected to connect circuit by STATEMENT OF FEDERALLY SPONSORED switchs, and passes through the compound magnetic of movable end The Bit andits control of pipe turns on the position of switch, and the elasticity resetted for realizing the conducting switch is also associated with the STATEMENT OF FEDERALLY SPONSORED Part, the magnetic attraction between two compound magnetic tubes changes with the change of environment temperature, so as to cause the compound magnetic tube of movable end to be relatively fixed Hold compound magnetic tube to be subjected to displacement, and conducting switch movement is driven under the cooperation of the elastic component, realize the conducting of circuit-line Or disconnect.
Described temperature-sensitive magnetic-control switch, wherein, the conducting is switched to be arranged on the conducting strip in STATEMENT OF FEDERALLY SPONSORED, the conduction Piece both sides are respectively arranged with the contact of different circuit-lines, and the suction between environment temperature makes two compound magnetic tubes is less than elastic component During restoring force, the compound magnetic tube of movable end will be disengaged from the compound magnetic tube of fixing end, so as to cause the contact of the conducting strip and its side Contact, when the suction between environment temperature makes two compound magnetic tubes is more than the restoring force of elastic component, the conducting strip and its opposite side Contact.
Described temperature-sensitive magnetic-control switch, wherein, the elastic component is spiral reed, and the STATEMENT OF FEDERALLY SPONSORED is gangbar, described Gangbar passes perpendicularly through spiral reed center and is connected with the end at spiral reed center.
Described temperature-sensitive magnetic-control switch, wherein, the conducting strip side is provided with described two compound magnetic tubes, and its opposite side is set It is equipped with the state holding device for maintaining conducting strip current state.
Described temperature-sensitive magnetic-control switch, wherein, the state holding device includes being arranged on the retention magnetic of linkage boom end Body and corresponding retention magnet and the magnetic conductor of setting spaced apart, being coordinated by the magnetic of retention magnet and magnetic conductor makes to lead Electric piece has state-retention capabilities under two compound magnetic tube effects.Allow the action very " clear-cut " of temperature-sensitive magnetic-control switch.
Described temperature-sensitive magnetic-control switch, wherein, the retention magnet periphery is provided with for by the enhancing magnet magnetic that is powered Inhale and force to keep conducting strip and the separation of contact or the coil of bonding state so as to realize, coil and retention magnet are non-contact shapes State.By applying the electric current of different flow directions to coil, so as to realize the pressure control to temperature-sensitive magnetic-control switch(For example force to protect Hold and be in released state, or force to be maintained at reference to closure state)
Described temperature-sensitive magnetic-control switch, wherein, electric current is controlled by outside in the coil that the retention magnet periphery is set, or Person is controlled by the contact of conducting strip both sides in temperature-sensitive magnetic-control switch via wire jumper connected mode, richer so as to finally realize Rich control function.
Beneficial effect:The present invention provides a kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch, is realized by the compound magnetic tube Temperature-sensitive magnetic-control switch compared to existing temperature detect switch (TDS), it has the characteristics of simple in construction, control accuracy is high, while the present invention Temperature-sensitive magnetic-control switch can carry out function setting as needed, thus it has multifunction switch effect, also cause the present invention's Temperature-sensitive magnetic-control switch can be applied to a variety of occasions, meet the different demands of user.
Brief description of the drawings
Fig. 1 is the structural representation of compound magnetic tube in the specific embodiment of the invention.
Fig. 2 is the sectional view of compound magnetic tube in the specific embodiment of the invention.
Fig. 3 is the structural representation of temperature-sensitive magnetic-control switch in the specific embodiment of the invention.
Fig. 4 is the structural representation that temperature-sensitive magnetic-control switch is in intermediateness in the specific embodiment of the invention.
Fig. 5 is the structural representation that temperature-sensitive magnetic-control switch is in the state that do not turn in the specific embodiment of the invention.
Fig. 6 is the structural representation that temperature-sensitive magnetic-control switch is in the conduction state in the specific embodiment of the invention.
Embodiment
The present invention provides a kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch, for make the purpose of the present invention, technical scheme and Effect is clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein Only to explain the present invention, it is not intended to limit the present invention.
A kind of compound magnetic tube as depicted in figs. 1 and 2, wherein, the compound magnetic tube include ferromagnetic metal housing 101, The permanent magnet 103 being arranged in ferromagnetic metal housing cavity, it is filled between the ferromagnetic metal housing and permanent magnet Temperature-sensitive soft body 102.
Specifically, the ferromagnetic metal housing is the barrel-shaped housing being made up of ferromagnetic metal, the permanent magnet is Column structure is simultaneously arranged on ferromagnetic metal housing cavity center.
Due to being provided with permanent magnet in ferromagnetic metal housing, therefore, when two compound magnetic tubes are relatively close, two compound magnetic The phenomenon for attracting or repelling can be showed between pipe.Because the magnetic line of force that temperature-sensitive soft body has permanent magnetism will have part to be split Fall, while the magnetic conduction of temperature-sensitive soft and separation capacity vary with temperature, be eventually exhibited as temperature change can cause it is two compound Between magnetic tube(Attract or repel)The change of power.
In the present patent application, with regard to only being analyzed with a kind of situation of attraction.
High temperature(Environment temperature is more than or equal to the Curie temperature of temperature-sensitive soft body)In the case of, due to the temperature in compound magnetic tube The magnetic of quick soft magnetic bodies disappears, and magnetic line of force shunting action progressively disappears, therefore the magnetic induction line of wherein one compound magnetic tube is ferromagnetic from its Property metal shell end face and permanent magnet end draw, respectively enter the ferromagnetic metal housing end face and forever of another compound magnetic tube Magnet end face, the magnetic field that two compound magnetic tubes are established can make two compound magnetic tubes attract each other to combining, i.e., from compound magnetic tube The magnetic field intensity that end face exhales is enhanced to maximum, and now the mutual attractive force between two compound magnetic tubes is maximum(Exceed and helped Attraction between magnet and magnetic conductor is stayed to be superimposed making a concerted effort for the restoring force of spiral reed).Therefore, in the case of a high temperature, two-phase Can be after temperature reach predetermined value to compound magnetic tube, magnetic combines, and temperature-sensitive magnetic-control switch completes the shape once switched State switching action.And in temperature-fall period(Environment temperature is progressively less than the Curie temperature of temperature-sensitive soft body)When middle, compound magnetic tube In temperature sensitive soft magnetic bodies magnetic conduction ability recover, because the magnetic line of force that compound magnetic tube end face exhales largely is split, make Magnetic induction line quantity between two compound magnetic tubes is reduced, and field weakening, causes the magnetic attraction between two compound magnetic tubes to die down.Work as retention Attraction is superimposed the mutual suction for making a concerted effort to be more than between compound magnetic tube of the restoring force of spiral reed between magnet and magnetic conductor After gravitation, two compound magnetic tube meeting quick separatings, temperature-sensitive magnetic-control switch carries out state switching again.Thus in low temperature, two Compound magnetic tube is in released state.Temperature-sensitive magnetic-control switch as described below is prepared using the characteristic of the compound magnetic tube in the present invention.
Specifically, temperature-sensitive magnetic-control switch as shown in Figure 3 and Figure 4, wherein, including compound magnetic tube as described above, wherein, The compound magnetic tube is two and is correspondingly arranged in opposite directions, respectively the compound magnetic tube 110 of the changeless fixing end in position and Ke Fa The compound magnetic tube 120 of movable end of raw displacement, the compound magnetic tube 120 of movable end are connected to connect circuit by STATEMENT OF FEDERALLY SPONSORED 130 Conducting switch 140, and by the position of the Bit andits control of the compound magnetic tube of movable end conducting switch, be also connected with the STATEMENT OF FEDERALLY SPONSORED Have the elastic component 150 resetted for realizing the conducting switch, the magnetic attraction between two compound magnetic tubes with the change of environment temperature and Change, it is subjected to displacement so as to cause the compound magnetic tube of movable end to be relatively fixed the compound magnetic tube in end, and under the cooperation of the elastic component Conducting switch movement is driven, realizes being turned on or off for circuit-line.
Specifically, the elastic component is spiral reed, the STATEMENT OF FEDERALLY SPONSORED is gangbar, and the gangbar passes perpendicularly through spiral Reed center is simultaneously connected with the end at spiral reed center.The conducting is switched to be arranged on the conducting strip in gangbar, institute The contact 200 that conducting strip both sides are respectively arranged with different circuit-lines is stated, the suction between environment temperature makes two compound magnetic tubes is small When the restoring force of spiral reed, the contact of the conducting strip and its side simultaneously turns on the circuit line that the side contact is connected Road, when the suction between environment temperature makes two compound magnetic tubes is more than the restoring force of spiral reed, the conducting strip and its opposite side Contact and turn on the circuit-line that the side contact is connected.By taking Fig. 4 as an example, the both sides of conducting strip 140 are set respectively Contact 210, contact 220, contact 230 and contact 240, wherein contact 210 belong to the stationary contact of circuit all the way with contact 220, and Contact 230 and contact 240 then belong to the stationary contact of another circuit, therefore user can utilize the temperature sensitive magnetic control of the present invention as needed Switch sets corresponding electric appliance to trigger its certain function under high temperature and low temperature condition, such as electrical equipment automatically powers off during high temperature.
Plane where gangbar vertical spin reed relaxed state, so that spiral reed, when deforming upon, it has There is a restoring force for making spiral reed revert to plane where its relaxed state, the spiral outer end of spiral reed may be disposed at temperature sensitive On the external shell of magnetic switch, spiral reed ensure that gangbar moves horizontally along its spiral center all the time, it is ensured that switch Normal work.
In addition, the conducting strip side is provided with described two compound magnetic tubes, its opposite side is provided with for maintaining conducting strip The state holding device of current state.Switch typically require that it can only be maintained on and off two states, although compound magnetic tube it Between magnetic attraction can be but conductive due to being undergone mutation when the temperature of temperature-sensitive soft body reaches Curie temperature so as to promote conducting strip to move If the state that is turned on or off of piece and contact is realized and kept only by compound magnetic tube, contact of the conducting strip with contact is with separating Can seem inadequate " clear-cut " and conducting and off-state can not realize it is stable keep, therefore, set on temperature-sensitive magnetic-control switch of the present invention Holding meanss are equipped with, are turned on or off two states to maintained switch.
Specifically, the state holding device includes being arranged on the retention magnet 160 of linkage boom end and corresponding retention magnetic Body and the magnetic conductor of setting spaced apart 170, being coordinated by the magnetic of retention magnet and magnetic conductor makes conducting strip multiple two Closing under magnetic tube effect has state-retention capabilities.The retention magnet 160 falls within permanent magnet, its magnetic between magnetic conductor Power can strengthen because distance is reduced.Therefore, when the temperature-sensitive magnetic-control switch of the present invention is in low temperature environment, its state such as Fig. 5 Shown, the magnetic attraction between two compound magnetic tubes weakens, and is returned less than the magnetic attraction between retention magnet and magnetic conductor and spiral reed During multiple power sum, conducting strip moves right with gangbar, and conducting strip contacts with contact 230 and contact 240, corresponding so as to turn on Circuit, the retention magnet is drawn onto on magnetic conductor, so as to maintain the current state of conducting strip, specifically, under the state, it is described The restoring force of magnetic attraction+spiral reed between the compound magnetic tubes of magnetic attraction > between retention magnet and magnetic conductor.And as the present invention Temperature-sensitive magnetic-control switch when being in high temperature, its state is as shown in fig. 6, the magnetic attraction between two compound magnetic tubes rises in environment temperature Strengthen suddenly when more than to the Curie temperature of temperature-sensitive soft body, now, the magnetic attraction between compound magnetic tube is more than retention magnet Magnetic attraction between magnetic conductor, therefore conducting strip is moved to the left with gangbar, conducting strip contacts with contact 210 and contact 220, from And corresponding circuit is turned on, the retention magnet separates with magnetic conductor, and two compound magnetic tubes are tightly inhaled and are attached to together, the state Under, the restoring force of magnetic attraction+spiral reed between magnetic attraction > retentions magnet and magnetic conductor between compound magnetic tube.As long as environment Temperature is constantly in more than the Curie temperature of temperature-sensitive soft body, and the state shown in Fig. 6 is with regard to that can be maintained.
It is preferred that the retention magnet periphery be provided with provided be used for by be powered enhancing retention magnet magnetic so that Conducting strip has the coil 180 for forcing hold mode.The coil fixed position is set, and coil 180 can make retention magnetic after being powered The magnetic force of body 160 greatly enhances, so as to break the original mechanical balance of temperature-sensitive magnetic-control switch so that between retention magnet and magnetic conductor Suction be more than suction sum between spiral reed restoring force and compound magnetic tube, so as to force to keep the state shown in Fig. 5, thus Temperature-sensitive magnetic-control switch of the present invention is possessed the power-off restoration function of force switch, i.e., power-off ability is only carried out to coil 180 State shown in Fig. 5 is released, this function can be used on some electrical equipment for needing power-off restoration, what the retention magnet periphery was set Electric current can be controlled by outside in coil, certainly, the contact at the wire both ends on the coil 180 and the contact of conducting strip both sides 210th, contact 220, contact 230, contact 240 can also connect via wire jumper, certainly, so as to make the temperature sensitive magnetic control of the present invention Switch possesses different functions, the temperature-sensitive magnetic-control switch is flexibly set as needed, it is shown that temperature of the invention Quick magnetic switch has very high versatility.
The present invention provides a kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch, the temperature sensitive magnetic control realized by the compound magnetic tube Switch is compared to existing temperature detect switch (TDS), and it has the characteristics of simple in construction, control accuracy is high, while the temperature sensitive magnetic control of the present invention is opened Pass can carry out function setting as needed, thus it has multifunction switch effect, also the temperature sensitive magnetic control of the present invention be opened Pass can be applied to a variety of occasions, meet the different demands of user.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (7)

  1. A kind of 1. temperature-sensitive magnetic-control switch, it is characterised in that including compound magnetic tube, wherein, the compound magnetic tube is for two and opposite It is correspondingly arranged, respectively the compound magnetic tube of the changeless fixing end in position and the compound magnetic tube of movable end that can be subjected to displacement, it is described The conducting that the compound magnetic tube of movable end is connected to connect circuit by STATEMENT OF FEDERALLY SPONSORED switchs, and passes through the displacement of the compound magnetic tube of movable end Control turns on the position of switch, the elastic component resetted for realizing the conducting switch is also associated with the STATEMENT OF FEDERALLY SPONSORED, two answer The magnetic attraction closed between magnetic tube changes with the change of environment temperature, so as to cause the compound magnetic tube of movable end to be relatively fixed the compound magnetic in end Pipe is subjected to displacement, and conducting switch movement is driven under the cooperation of the elastic component, realizes being turned on or off for circuit-line;Institute Stating compound magnetic tube includes ferromagnetic metal housing, the permanent magnet being arranged in ferromagnetic metal housing cavity, in the ferromagnetism Temperature-sensitive soft body is filled between metal shell and permanent magnet;
    The ferromagnetic metal housing is the barrel-shaped housing being made up of ferromagnetic metal.
  2. 2. temperature-sensitive magnetic-control switch according to claim 1, it is characterised in that the conducting switch is to be arranged in STATEMENT OF FEDERALLY SPONSORED Conducting strip, the conducting strip both sides are respectively arranged with the contact of different circuit-lines, between environment temperature makes two compound magnetic tubes Suction when being less than the restoring force of elastic component, the compound magnetic tube of movable end will be disengaged from the compound magnetic tube of fixing end, so as to cause described lead The contact of electric piece and its side simultaneously turns on the circuit-line that the side contact is connected, between environment temperature makes two compound magnetic tubes Suction when being more than the restoring force of elastic component, the contact of the conducting strip and its opposite side simultaneously turns on the side contact and is connected Circuit-line.
  3. 3. temperature-sensitive magnetic-control switch according to claim 2, it is characterised in that the elastic component is spiral reed, described Moving part is gangbar, and the gangbar passes perpendicularly through spiral reed center and is connected with the end at spiral reed center.
  4. 4. temperature-sensitive magnetic-control switch according to claim 3, it is characterised in that it is multiple that the conducting strip side is provided with described two Magnetic tube is closed, its opposite side is provided with the state holding device for maintaining conducting strip current state.
  5. 5. temperature-sensitive magnetic-control switch according to claim 4, it is characterised in that the state holding device includes being arranged on connection The retention magnet of end part of movable rod and corresponding retention magnet and the magnetic conductor of setting spaced apart, pass through retention magnet and magnetic conduction The magnetic of body, which coordinates, makes conducting strip have state-retention capabilities under two compound magnetic tube effects.
  6. 6. temperature-sensitive magnetic-control switch according to claim 5, it is characterised in that the retention magnet periphery, which is provided with, to be used to pass through It is powered enhancing retention magnet magnetic and forces to keep conducting strip and the separation of contact or the coil of bonding state so as to realize.
  7. 7. temperature-sensitive magnetic-control switch according to claim 6, it is characterised in that in the coil that the retention magnet periphery is set Electric current is controlled by outside, or is controlled by the contact of conducting strip both sides in temperature-sensitive magnetic-control switch via wire jumper connected mode.
CN201510492149.0A 2015-08-12 2015-08-12 A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch Expired - Fee Related CN105047475B (en)

Priority Applications (1)

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CN201510492149.0A CN105047475B (en) 2015-08-12 2015-08-12 A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch

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CN201510492149.0A CN105047475B (en) 2015-08-12 2015-08-12 A kind of compound magnetic tube and a kind of temperature-sensitive magnetic-control switch

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895328A (en) * 1972-11-30 1975-07-15 Tohoku Metal Ind Ltd Thermo-magnetically operated switches
CN202363360U (en) * 2011-10-09 2012-08-01 陆明岳 Normal open thermosensitive magnetic switch
CN104576197A (en) * 2013-10-27 2015-04-29 西安群丰电子信息科技有限公司 Temperature-sensitive magnetic temperature switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6193924A (en) * 1984-10-15 1986-05-12 Tdk Corp Heat sensitive sensor
JPH11154449A (en) * 1997-11-19 1999-06-08 Tokin Corp Temperature switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895328A (en) * 1972-11-30 1975-07-15 Tohoku Metal Ind Ltd Thermo-magnetically operated switches
CN202363360U (en) * 2011-10-09 2012-08-01 陆明岳 Normal open thermosensitive magnetic switch
CN104576197A (en) * 2013-10-27 2015-04-29 西安群丰电子信息科技有限公司 Temperature-sensitive magnetic temperature switch

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Granted publication date: 20171110