CN203339062U - Temperature-controlled switch - Google Patents
Temperature-controlled switch Download PDFInfo
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- CN203339062U CN203339062U CN201320394467XU CN201320394467U CN203339062U CN 203339062 U CN203339062 U CN 203339062U CN 201320394467X U CN201320394467X U CN 201320394467XU CN 201320394467 U CN201320394467 U CN 201320394467U CN 203339062 U CN203339062 U CN 203339062U
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- tds
- detect switch
- contact jaw
- temperature detect
- temperature
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Abstract
The utility model relates to the field of temperature control and especially relates to a temperature-controlled switch used for controlling on/off of a circuit. In order to solve the problem that an existing bimetal temperature-controlled switch is long in time delay and poor in shock resistance, the utility model provides a temperature-controlled switch. The temperature-controlled switch comprises a heat conduction top cover and an insulating base which are buckled and fixed together. The heat conduction top cover is provided with a top groove in which a bimetal sheet is arranged, and the bimetal sheet is fixed on the top wall inside the top groove. The insulating base is provided with an accommodating groove, a static contact end and a moving contact end are oppositely arranged on a groove opening edge platform of the accommodating groove, a free end of the moving contact end extends to above the groove opening of the accommodating groove, the moving contact end is fixedly connected with a connecting sheet of which the surface is provided with an insulating layer, a free end of the connecting sheet is provided with a contact block, and the static contact end and the moving contact end are communicated through the contact block and the connecting sheet. The temperature-controlled switch has the advantages of timely control and good shock resistance.
Description
Technical field
The utility model relates to domain of control temperature, relates in particular to the temperature detect switch (TDS) for the control circuit break-make.
Background technology
Existing bimetallic temperature detect switch (TDS) is all by bimetal leaf temperature distortion upset and coolingly resets to realize switch motion, and then the break-make of control circuit.But, in use, it is found that, when be heated heat source temperature reach setting stop the heating temperature the time, heater circuit is still in on-state; And after heater circuit disconnects, until be heated heat source temperature lower than set restart the temperature of heating the time, heater circuit is still in off-state.As can be seen here, not in time, time delay is long for the switching of existing bimetallic temperature detect switch (TDS) control circuit.
In addition, when the bimetallic temperature detect switch (TDS) is worked in vibration environment, circuit easily breaks down.Such as in heating process, heat source temperature is during far below the temperature that requires circuit to disconnect, and circuit disconnects suddenly; Perhaps after heating completes, heat source temperature is during still higher than the temperature that requires circuit to connect, and circuit is connected suddenly; Even make circuit repeatedly connect at short notice, disconnect.
As fully visible, existing temperature detect switch (TDS) time delay is long, shock resistance is poor, in use, can not accurately and timely be switched on or switched off circuit, wastes energy.
The utility model content
In order to solve, the time delay of existing bimetallic temperature detect switch (TDS) is long, shock resistance is poor, the problem that causes energy waste, the inventor conscientiously researchs and analyses discovery: the bimetal leaf in existing bimetallic temperature detect switch (TDS) is positioned at the poor base of heat conductivility, and the thermal source heat need be transmitted on bimetal leaf by air and base after thermal source is transmitted to the heat conduction top cover.Because the heat conductivility of air and base is all poor, cause bimetal leaf temperature distortion upset to lag behind, the control circuit switching not in time, and then causes energy waste.Quiet contact jaw and the eastern contact jaw of existing bimetallic temperature detect switch (TDS) are communicated with by brace, and when bimetal leaf before temperature distortion upset, the free end of brace is pressed on quiet contact jaw under the effect of gravity, after bimetal leaf temperature distortion upset, bimetal leaf by the joint pin between itself and brace by brace jack-up, and then and then by the free end jack-up of brace, the free end of brace is separated, open circuit with quiet contact jaw.Because bimetal leaf is movably arranged on base, when the bimetallic temperature detect switch (TDS) is arranged in vibration environment, bimetal leaf is upspring, is fallen in temperature detect switch (TDS), causes circuit to disconnect suddenly, connect or repeatedly disconnect, connect, and shock resistance is poor.
The utility model proposes a kind of temperature detect switch (TDS), this temperature detect switch (TDS) comprises heat conduction top cover and insulator foot, and described heat conduction top cover and described insulator foot fasten and be fixed together; Be provided with top groove on described heat conduction top cover, and be provided with bimetal leaf in this top groove, and this bimetal leaf is fixed on the roof in described top groove; Be provided with holding tank on described insulator foot, and be provided with relative quiet contact jaw and moving contact jaw on the notch edges platform of described holding tank, and the free end of described quiet contact jaw reaches the notch top of described holding tank, described moving contact jaw is fixedly connected with the brace that surface is provided with insulating barrier, and the free end of this brace is provided with contact block, described quiet contact jaw and described moving contact jaw are communicated with by described contact block and described brace.Like this, bimetal leaf abuts on the roof of heat conduction top cover, and heat conduction velocity is fast, and the temperature of bimetal leaf and heat source temperature are almost synchronizeed rising, and the bimetal leaf rear distortion of being heated is timely, can control in time the break-make of temperature detect switch (TDS); Bimetal leaf is fixedly installed in the top groove on the heat conduction top cover, when temperature detect switch (TDS) is worked in vibration environment, can be because of the switching of vibration influence circuit, and anti-seismic performance is good.
Preferably, described quiet contact jaw is column structure, and this column structure is parallel with the bottom surface of described insulator foot.Further, the bottom vertical of described contact block and described insulator foot, and be provided with the free-ended groove that holds described quiet contact jaw on the side of described quiet contact jaw at described contact block, and the bottom vertical of this groove and described insulator foot.Like this, can avoid temperature detect switch (TDS) when deformation does not occur in bimetal leaf because of the stressed swing of brace, rock or the sagging circuit that causes of contact block gravitate disconnects.
Preferably, described quiet contact jaw is made by magnetic material, and described contact block is made by permeability magnetic material.Like this, quiet contact jaw and contact block stick together by magneticaction, can further improve the anti-seismic performance of temperature detect switch (TDS).Further, described magnetic material is soft magnetic material.Like this, when the temperature of temperature detect switch (TDS) inside reaches the Curie point of this soft magnetic material, its magnetic disappears, and is convenient to bimetal leaf quiet contact jaw and contact block are separated.
Preferably, described bimetal leaf is shaped as dish or rectangle.
Preferably, described bimetal leaf is by bolt or be weldingly fixed on the roof in described top groove.Like this, easy for installation, and good fixing effect.
Preferably, this temperature detect switch (TDS) is rectangular structure, and described quiet contact jaw and described moving contact jaw are the diagonal angle setting on described insulator foot.Further, the quiet terminals that are connected with described quiet contact jaw and the moving terminals that are connected with described moving contact jaw are positioned at the same side of described temperature detect switch (TDS).Further preferably, be provided with the connecting groove that holds described quiet terminals and described moving terminals on the outside bottom surface of described insulator foot.Such temperature detect switch (TDS) small volume, and be convenient to be arranged in narrow gap or from narrow gap and remove, easy to use.
Bimetal leaf in the utility model temperature detect switch (TDS) is fixed on the roof in the top groove on the heat conduction top cover, the temperature that makes bimetal leaf and the temperature of heat source are almost synchronizeed rising, the break-make of control circuit in time, and the switching that makes circuit is not subject to the impact of environmental vibration, and anti-seismic performance is good.On the free end of brace, contact block is set, especially band is useful on the contact block of the free-ended groove that holds quiet contact jaw, can avoid circuit not disconnect when bimetal leaf deforms.Quiet contact jaw adopts soft magnetic material to make, and contact block adopts permeability magnetic material to make, and can further improve the anti-seismic performance of temperature detect switch (TDS).Temperature detect switch (TDS) is rectangular structure, and its moving terminals and quiet terminals the same side of being positioned at connecting groove and guiding temperature detect switch (TDS) into, can reduce the volume of temperature detect switch (TDS), can directly insert in narrow gap or from narrow gap and extract, easy to use.
The accompanying drawing explanation
Fig. 1 is the perspective view that is provided with the heat conduction top cover of bimetal leaf in the utility model temperature detect switch (TDS);
Fig. 2 is provided with the perspective view of the insulator foot of quiet contact jaw and moving contact jaw in the utility model temperature detect switch (TDS);
Fig. 3 is for the perspective view of the contact block that is communicated with quiet contact jaw and moving contact jaw in the utility model temperature detect switch (TDS).
Embodiment
As illustrated in fig. 1 and 2, the utility model temperature detect switch (TDS) comprises heat conduction top cover 1 and insulator foot 2, and heat conduction top cover 1 is with together with insulator foot 2 is fastened.Preferably, heat conduction top cover 1 with insulator foot 2 by rivet or together with being bolted to.Be provided with top groove 11 on heat conduction top cover 1, and be provided with bimetal leaf 3 in this top groove 11, this bimetal leaf 3 is fixed on the roof 111 in top groove 11, and abuts on the roof 111 in top groove 11 before the temperature distortion upset.Like this, in use, the heat conduction top cover 1 of temperature detect switch (TDS) abuts on thermal source, the thermal source heat can directly be transmitted on bimetal leaf 3 by heat conduction top cover 1 rapidly, the temperature that makes bimetal leaf 3 and the temperature of thermal source are almost synchronizeed rising, once, therefore heat source temperature reaches the circuit break-off signal of setting, bimetal leaf 3 is out of shape immediately and overturns, so that utilize the circuit that this temperature detect switch (TDS) is connected to disconnect.Be provided with holding tank 21 on insulator foot 2, and be provided with relative quiet contact jaw 4 and moving contact jaw (not shown) on the notch edges platform 211 of this holding tank 21.The free end of quiet contact jaw 4 reaches the notch top of holding tank 21.Be fixedly connected with the brace 5 that surface is provided with insulating barrier on moving contact jaw, and the free end of this brace 5 is provided with contact block 6.Quiet contact jaw 4 and moving contact jaw are communicated with by contact block 6 and brace 5.Like this, while using this temperature detect switch (TDS) to connect circuit in the environment of vibrations, because the area contacted for the free end with quiet contact jaw 4 on contact block 6 is larger, even quiet contact jaw 4 or brace 5 swing, rock because of vibrations or contact block 6 is sagging because of gravitate, also can not make circuit disconnect suddenly, anti-seismic performance is good.In addition, because bimetal leaf 3 is fixed on the roof 111 in the top groove 11 on heat conduction top cover 1, even the housing of temperature detect switch (TDS) shakes, when bimetal leaf 3 does not raise or drops to the circuit break-off signal of setting or circuit and connect temperature in its temperature, can not be out of shape and overturn and circuit is disconnected or connect, anti-seismic performance is good.
As shown in Figure 1, heat conduction top cover 1 is rectangular structure, and top groove 11 is the rectangular recess on the centre that is positioned at heat conduction top cover 1.Certainly, top groove 11 can be also circular groove.The bimetal leaf 3 of dish is fixed on by bolt 7 on the roof 111 in the top groove 11 of heat conduction top cover 1, and abuts on the roof 111 in top groove 11 before bimetal leaf 3 temperature distortions upsets.Certainly, bimetal leaf 3 can be also rectangular-shaped, and can be fixed on the roof 111 in the top groove 11 on heat conduction top cover 1 by an end of welding or bolt bimetal leaf that this is rectangular-shaped.Preferably, this rectangular-shaped bimetal leaf be fixed on brace 5 under.
Figure is as shown in 2, and insulator foot 2 is rectangular structure, and the holding tank on it 21 is rectangular recess, and quiet contact jaw 4 and moving contact jaw (not shown) are the diagonal angle setting on the notch edges platform 211 of this rectangular recess.Like this, can reduce the width of insulator foot 2, and then reduce the volume of temperature detect switch (TDS), enlarge the scope of application of this temperature detect switch (TDS).Preferably, quiet contact jaw 4 is column structure, and this column structure is parallel with the bottom surface of insulator foot 2.Preferably, the stiff end of brace 2 is fixedly connected with by riveted joint with moving contact jaw, and the contact block 6 be positioned on brace 5 free ends is vertical with the bottom surface of insulator foot 2, and be equipped with the free-ended U-shaped groove 61 that holds quiet contact jaw 4 on the side of quiet contact jaw 4 at this contact block 6, and this U-shaped groove 61 is vertical with the bottom surface of insulator foot 2.Like this, both can increase the contact area between quiet contact jaw 4 and contact block 6, the free end that can avoid again contact block 6 and quiet contact jaw 4 separates because of vibrations during in on-state at circuit, makes circuit keep on-state, has improved the anti-seismic performance of temperature detect switch (TDS).Preferably, as shown in Figure 3, the upper port of the U-shaped groove 61 on contact block 6 is arranged to horn mouth 611, like this, bimetal leaf 3 is cooling while resetting, is convenient to slide in U-shaped groove 611 in process that the free end of quiet contact jaw 4 moves upward at contact block 6.Preferably, quiet contact jaw 4 is made by magnetic material, and contact block 6 is made by permeability magnetic material.Like this, quiet contact jaw 4 and contact block 6 stick together under magneticaction, can improve the anti-seismic performance of temperature detect switch (TDS).Preferably, with soft magnetic material, make quiet contact jaw 4, like this, when the temperature of temperature detect switch (TDS) inside reaches the Curie point of this soft magnetic material, its magnetic disappears, and is convenient to bimetal leaf 3 and when temperature distortion is overturn, quiet contact jaw 4 and contact block 6 is separated.Preferably, be provided with the projection 22 of a ring around the notch of this holding tank 21 on the notch edges platform 211 of holding tank 21, and quiet contact jaw 4 and moving contact jaw (not shown) are positioned at the inboard of this circle projection 22.Like this, in the process of making this temperature detect switch (TDS), be convenient to the staff heat conduction top cover 1 and insulator foot 2 are positioned to heat conduction top cover 1 and insulator foot 2 are fastened and be fixed together.
As shown in Figure 2, be provided with the quiet terminals 8 of being drawn by quiet contact jaw 4 and the moving terminals 9 of being drawn by moving contact jaw in the bottom of insulator foot 2.Preferably, quiet terminals 8 and moving terminals 9 are positioned at the same side of insulator foot 2.Like this, when the installation site of this temperature detect switch (TDS) is positioned at narrow and small gap, installation or dismounting are all very convenient, directly insert or extract to get final product.Preferably, quiet terminals 8 and moving terminals 9 are the rectangle laminated structure, and are positioned at the connecting groove on the outside bottom surface of insulator foot 2.Like this, can reduce the thickness of temperature detect switch (TDS), and then make the volume-diminished of temperature detect switch (TDS), further enlarge the scope of application of temperature detect switch (TDS).
Claims (10)
1. a temperature detect switch (TDS), is characterized in that, this temperature detect switch (TDS) comprises heat conduction top cover and insulator foot, and described heat conduction top cover and described insulator foot fasten and be fixed together; Be provided with top groove on described heat conduction top cover, and be provided with bimetal leaf in this top groove, and this bimetal leaf is fixed on the roof in described top groove; Be provided with holding tank on described insulator foot, and be provided with relative quiet contact jaw and moving contact jaw on the notch edges platform of described holding tank, and the free end of described quiet contact jaw reaches the notch top of described holding tank, described moving contact jaw is fixedly connected with the brace that surface is provided with insulating barrier, and the free end of this brace is provided with contact block, described quiet contact jaw and described moving contact jaw are communicated with by described contact block and described brace.
2. temperature detect switch (TDS) according to claim 1, is characterized in that, described quiet contact jaw is column structure, and this column structure is parallel with the bottom surface of described insulator foot.
3. temperature detect switch (TDS) according to claim 2, it is characterized in that, the bottom vertical of described contact block and described insulator foot, and be provided with the free-ended groove that holds described quiet contact jaw at described contact block on the side of described quiet contact jaw, and the bottom vertical of this groove and described insulator foot.
4. according to the described temperature detect switch (TDS) of any one in claim 1-3, it is characterized in that, described quiet contact jaw is made by magnetic material, and described contact block is made by permeability magnetic material.
5. temperature detect switch (TDS) according to claim 4, is characterized in that, described magnetic material is soft magnetic material.
6. according to the described temperature detect switch (TDS) of any one in claim 1-3, it is characterized in that, described bimetal leaf be shaped as dish or rectangle.
7. according to the described temperature detect switch (TDS) of any one in claim 1-3, it is characterized in that, described bimetal leaf is by bolt or be weldingly fixed on the roof in described top groove.
8. according to the described temperature detect switch (TDS) of any one in claim 1-3, it is characterized in that, this temperature detect switch (TDS) is rectangular structure, and described quiet contact jaw and described moving contact jaw are the diagonal angle setting on described insulator foot.
9. temperature detect switch (TDS) according to claim 8, is characterized in that, the quiet terminals that are connected with described quiet contact jaw and the moving terminals that are connected with described moving contact jaw are positioned at the same side of described temperature detect switch (TDS).
10. temperature detect switch (TDS) according to claim 9, is characterized in that, on the outside bottom surface of described insulator foot, is provided with the connecting groove that holds described quiet terminals and described moving terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394467XU CN203339062U (en) | 2013-07-04 | 2013-07-04 | Temperature-controlled switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394467XU CN203339062U (en) | 2013-07-04 | 2013-07-04 | Temperature-controlled switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339062U true CN203339062U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320394467XU Expired - Fee Related CN203339062U (en) | 2013-07-04 | 2013-07-04 | Temperature-controlled switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367036A (en) * | 2013-07-04 | 2013-10-23 | 江苏扬工动力机械有限公司 | Temperature control switch |
-
2013
- 2013-07-04 CN CN201320394467XU patent/CN203339062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367036A (en) * | 2013-07-04 | 2013-10-23 | 江苏扬工动力机械有限公司 | Temperature control switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |