CN112000152A - Novel temperature controller - Google Patents
Novel temperature controller Download PDFInfo
- Publication number
- CN112000152A CN112000152A CN202010800586.5A CN202010800586A CN112000152A CN 112000152 A CN112000152 A CN 112000152A CN 202010800586 A CN202010800586 A CN 202010800586A CN 112000152 A CN112000152 A CN 112000152A
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- CN
- China
- Prior art keywords
- fixed
- temperature controller
- insulating
- contact
- left 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.)
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-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
- G05D23/27535—Details of the sensing element
- G05D23/2754—Details of the sensing element using bimetallic element
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention relates to a novel temperature controller, which comprises two temperature controllers sharing the same bimetallic strip, wherein the two temperature controllers are arranged in an upper mirror image mode and a lower mirror image mode, each of the two temperature controllers comprises an insulating component and a connecting component arranged on the insulating component, each connecting component comprises an upper reed, a lower reed, a vertical insulating column and a fixed contact piece, the left end of the fixed contact piece and the left end of the upper reed are separately fixed on the insulating component, and a moving contact is arranged at the bottom of the left end of the lower reed; the bottom of the insulating component is provided with a bimetallic strip; the top of the insulating component is provided with a pressing plate, and the left end of the pressing plate is fixed on the insulating component; the middle part of the pressing plate is provided with a pressure adjusting device, the pressure adjusting device comprises a threaded knob and a limiting stop lever, the threaded knob is arranged on the pressing plate, and a limiting ring is arranged on the outer side of the threaded knob. The invention designs a novel temperature controller which comprises two temperature controllers sharing a bimetallic strip, is very convenient to use by matching with a temperature controller service life detection machine, and does not need to be additionally provided with a current sensor.
Description
Technical Field
The invention relates to the field of temperature controllers, in particular to a novel temperature controller.
Background
The metal expansion type temperature controller is widely applied to various electric appliances, and starts a set protection circuit to work under the action of switching on and off a circuit according to the change of ambient temperature.
There is a machine for detecting the life of a thermostat on the market at present, and the working principle is as follows: the detection machine is provided with a heating device and an air blowing device, the temperature controller is heated by the heating device firstly, so that the bimetallic strip in the temperature-measured controller is in a disconnected state, then the air blowing device is used for blowing air to the temperature-measured controller, so that the temperature of the temperature controller of the temperature-measured controller is reduced, and the action of the bimetallic strip in the temperature controller of the temperature-measured controller is reset. The process is a detection process of the temperature controller, the detection process needs to be repeated when the service life of the temperature controller is detected, the service life of the conventional temperature controller is generally required to be about 10 ten thousand times, and test cycles with different times can be set according to different service life requirements of the temperature controller.
In the prior art, two wiring terminals of a temperature-measured controller are connected into a power-on circuit, a current sensor is arranged to detect a current signal in a circuit, and the current sensor is connected with a controller. In the actual detection process, the heating device heats the temperature-measured controller to enable the bimetallic strip of the temperature-measured controller to be in a disconnected state, at the moment, the current sensor detects that the circuit is disconnected, a heating stop signal is generated to the controller, and the blowing device is started; the same blowing device makes the bimetallic strip of the temperature-measuring controller in a passage state, the circuit sensor detects a current signal, a blowing stopping signal is generated to the controller, and the heating device is started.
The machine for detecting the service life of the temperature controller has an improved place in use although the machine is ingenious in design.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention designs a novel temperature controller which comprises two temperature controllers sharing a bimetallic strip, is very convenient to use by matching with a temperature controller service life detection machine and does not need to be additionally provided with a current sensor.
The invention provides a novel temperature controller, which comprises two temperature controllers sharing the same bimetallic strip, wherein the two temperature controllers are arranged in an upper mirror image and a lower mirror image.
Preferably, the two temperature controllers both comprise an insulating assembly and a connecting assembly arranged on the insulating assembly, the connecting assembly comprises an upper spring plate, a lower spring plate, a vertical insulating column and a fixed contact plate, the left end of the fixed contact plate and the left end of the upper spring plate are fixed on the insulating assembly in a separated manner, the right end of the upper spring plate extends towards the right lower direction to form a bending part, the right end of the lower spring plate is fixed on the top of the vertical insulating column, a moving contact is arranged at the bottom of the left end of the lower spring plate, and a fixed contact is upwards arranged at a position of the fixed contact plate vertically corresponding to the moving contact; the bottom of the insulating assembly is provided with the bimetallic strip, the left end of the bimetallic strip is fixed at the bottom of the insulating assembly, and the right end of the bimetallic strip is fixed at the bottom of the vertical insulating column; a pressing plate is arranged at the top of the insulating assembly, and the left end of the pressing plate is fixed on the insulating assembly; a pressure adjusting device is arranged in the middle of the pressure plate and comprises a threaded knob and a limiting stop lever, the threaded knob is arranged on the pressure plate, a limiting ring is arranged on the outer side of the threaded knob and is sleeved on the threaded knob, a limiting lug matched with the limiting stop lever extends outwards, a pressing rod in contact with the upper reed is arranged below the threaded knob, the fixed contact and the movable contact are in contact with each other through the pressing rod, and a closed circuit is formed between the upper reed and the fixed contact; and an external wire interface is also arranged on the insulating component between the fixed contact piece and the bimetallic strip.
Preferably, the vertical insulating column is made of a ceramic insulating material.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the machine for detecting the service life of the temperature controller does not need to additionally arrange a current sensor, and when the machine is used, one temperature controller of the novel temperature controller is connected with the heating device, and the other temperature controller is connected with the blowing device. If the temperature controller connected with the heating device is in a connected state, the heating device heats the temperature controller until the bimetallic strip of the temperature controller is bent to be in a disconnected state, then the heating device stops working, and meanwhile, because the same bimetallic strip is shared, the other temperature controller is in a connected state, the air blowing device is communicated to blow air and cool the temperature controller connected with the heating device.
Meanwhile, the temperature controller has ingenious design, so that the structure of a machine for detecting the service life of the temperature controller can be simpler, and the cost is saved.
Drawings
FIG. 1 is a schematic structural diagram of the novel temperature controller of the present invention;
fig. 2 is a connection block diagram of the working principle of the novel temperature controller.
Reference numerals: 1-bimetallic strip; 2-upper reed; 3-lower reed; 31-vertical insulating columns; 4-fixed contact piece; 5-moving contact; 6, static contact; 7-pressing a plate; 8-a threaded knob; 9-limiting stop lever; 10-a spacing ring; 11-limit tab; 12-a pressure bar; 13-external connection port.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
Example one
As shown in fig. 1-2, a novel temperature controller is shown, which comprises two temperature controllers sharing the same bimetallic strip 1, wherein the two temperature controllers are arranged in an upper mirror image and a lower mirror image. The two temperature controllers respectively comprise an insulating assembly and a connecting assembly arranged on the insulating assembly, the connecting assembly comprises an upper spring plate 3, a lower spring plate 3, a vertical insulating column 31 and a fixed contact plate 4, the left end of the fixed contact plate 4 and the left end of the upper spring plate 2 are fixed on the insulating assembly in a separated mode, the right end of the upper spring plate 2 extends towards the lower right to form a bent part, the right end of the lower spring plate 3 is fixed at the top of the vertical insulating column 31, a moving contact 5 is arranged at the bottom of the left end of the lower spring plate 3, and a static contact 6 is upwards arranged at the position, corresponding to the moving contact 5, of the fixed contact plate 4; the bottom of the insulating assembly is provided with the bimetallic strip 1, the left end of the bimetallic strip 1 is fixed at the bottom of the insulating assembly, and the right end of the bimetallic strip 1 is fixed at the bottom of the vertical insulating column 31; a pressing plate 7 is arranged at the top of the insulating assembly, and the left end of the pressing plate 7 is fixed on the insulating assembly; a pressure adjusting device is arranged in the middle of the pressure plate 7 and comprises a threaded knob 8 and a limiting stop rod 9 which are arranged on the pressure plate 7, a limiting ring 10 is arranged on the outer side of the threaded knob 8, the limiting ring 10 is sleeved on the threaded knob 8 and extends outwards to form a limiting lug 11 which is matched with the limiting stop rod 9, a pressure lever 12 which is in contact with the upper reed 2 is arranged below the threaded knob 8, and the static contact 6 is in contact with the movable contact 5 through the pressure lever 12, so that a closed circuit is formed between the upper reed 2 and the static contact 4; an external wire interface 13 is further arranged on the insulating assembly between the fixed contact piece 4 and the bimetallic strip 1.
More specifically, the vertical insulating column 31 is made of a ceramic insulating material.
As shown in fig. 2, when the service life of the temperature controller is detected, the upper temperature controller of the novel temperature controller of the embodiment is connected with the heating device, and the lower temperature controller is connected with the blowing device. Wherein make the top temperature controller be in the connected state through setting up in advance, heating device starts under the connected state so, it is worth mentioning that heating device and gas blowing device all heat or cool off the temperature controller of top, do not directly influence the ambient temperature of temperature controller below, and the staff can specifically set up according to the environment. After the heating device is started, the upper temperature controller is heated until the upper temperature controller is bent upwards, the vertical insulating column 31 is pushed upwards, the moving contact 5 is not in contact with the static contact 6, and the upper temperature controller is in a disconnected state. At the moment, the heating device is closed, and because the heating device shares the same bimetallic strip 1, the lower temperature controller is under the action of the bimetallic strip 1, the moving contact 5 is in contact connection with the static contact 6 when the lower reed 3 moves upwards, the lower temperature controller is communicated, and the blowing device starts to work. The blowing device blows air to cool the upper temperature controller until the bimetallic strip 1 is reset to the upper temperature controller to be communicated again, the lower temperature controller is disconnected at the moment, the blowing device stops working, and the heating device starts working again.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The functional and structural principles of the present invention may be modified at will without departing from the principles set forth above.
Claims (3)
1. A novel temperature controller is characterized in that: the temperature control device comprises two temperature controllers sharing the same bimetallic strip (1), and the two temperature controllers are arranged in an up-down mirror image mode.
2. The novel temperature controller of claim 1, wherein: the two temperature controllers respectively comprise an insulating assembly and a connecting assembly arranged on the insulating assembly, the connecting assembly comprises an upper spring plate, a lower spring plate (3), a vertical insulating column (31) and a fixed contact plate (4), the left end of the fixed contact plate (4) and the left end of the upper spring plate (2) are fixed on the insulating assembly in a separated mode, the right end of the upper spring plate (2) extends towards the lower right to form a bent part, the right end of the lower spring plate (3) is fixed on the top of the vertical insulating column (31), a moving contact (5) is arranged at the bottom of the left end of the lower spring plate (3), and a static contact (6) is arranged in the position, corresponding to the moving contact (5), of the fixed contact plate (4) in the vertical direction; the bimetallic strip (1) is arranged at the bottom of the insulating assembly, the left end of the bimetallic strip (1) is fixed at the bottom of the insulating assembly, and the right end of the bimetallic strip (1) is fixed at the bottom of the vertical insulating column (31); a pressing plate (7) is arranged at the top of the insulating assembly, and the left end of the pressing plate (7) is fixed on the insulating assembly; a pressure adjusting device is arranged in the middle of the pressing plate (7), the pressure adjusting device comprises a threaded knob (8) and a limiting stop lever (9) which are arranged on the pressing plate (7), a limiting ring (10) is arranged on the outer side of the threaded knob (8), the limiting ring (10) is sleeved on the threaded knob (8) and extends outwards to form a limiting lug (11) matched with the limiting stop lever (9), a pressing rod (12) which is in contact with the upper reed (2) is arranged below the threaded knob (8), and the static contact (6) is in contact with the movable contact (5) through the pressing rod (12), so that a closed circuit is formed between the upper reed (2) and the fixed contact (4); and an external wire interface (13) is also arranged on the insulating assembly between the fixed contact piece (4) and the bimetallic strip (1).
3. The novel temperature controller of claim 2, wherein: the vertical insulating column (31) is made of a ceramic insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800586.5A CN112000152A (en) | 2020-08-11 | 2020-08-11 | Novel temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800586.5A CN112000152A (en) | 2020-08-11 | 2020-08-11 | Novel temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112000152A true CN112000152A (en) | 2020-11-27 |
Family
ID=73463054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010800586.5A Pending CN112000152A (en) | 2020-08-11 | 2020-08-11 | Novel temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112000152A (en) |
-
2020
- 2020-08-11 CN CN202010800586.5A patent/CN112000152A/en active Pending
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