CN1160197A - Automatic temp. controller - Google Patents
Automatic temp. controller Download PDFInfo
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- CN1160197A CN1160197A CN 97100565 CN97100565A CN1160197A CN 1160197 A CN1160197 A CN 1160197A CN 97100565 CN97100565 CN 97100565 CN 97100565 A CN97100565 A CN 97100565A CN 1160197 A CN1160197 A CN 1160197A
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- temperature
- tubule
- conducting terminal
- electrolyte
- temperature controller
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Abstract
An automatic temp controller features use of electrically conductive temp-sensitive agent, which expands or contracts with the variation of temp to close or open the connection to terminal that controls the on or off of relay coil. The relay controls the work of main electric appliance, realizing the automatic temp control reliably.
Description
The present invention relates to a kind of automatic temperature controller;
In domain of control temperature, traditional method is temperature-sensitive capsule formula temperature controller.Its principle of work such as Fig. 1.Contact position is that the refrigeration motor is at the state that stops, when the temperature of temperature-sensitive pipe raises among the figure; Because the expansion of temperature sensing agent; The diaphragm of front, temperature-sensitive chamber is moved forward, withstand lever, and make armature contact and fixed contact closure, connect air compressor motor, compressor is entry into service just.After refrigeration system was recovered refrigeration, the evaporator surface temperature can descend gradually, and the pressure in the temperature-sensitive pipe is also along with reduction, the diaphragm in temperature-sensitive chamber is moved to backward and resets, fast jumping armature contact and fixed contact break away from each other, cut off compressor power, and compressor recovers the state that shuts down.So constantly circulation will be controlled within the specific limits the temperature of refrigerator automatically.Its shortcoming is the requirement on machining accuracy height, the manufacturing cost height, and adjustable extent is limited, and operational reliability is poor.
The recent thermistor-type temperature controller that occurs, its principle of work such as Fig. 2.Its used temperature-sensing element is a thermistor, when the test environment temperature variation, respective change also takes place in the resistance value of thermistor, utilize equilibrium principle, the base current of triode is changed, amplify the relay that drives control refrigeration machine start-stop through several grades again, realize temperature controlling.Its advantage is reliable.But it is higher that shortcoming is a manufacturing cost, and the adjusting before dispatching from the factory bothers again, and circuit is complicated, maintenance difficult.
The object of the present invention is to provide one sharp cheap for manufacturing cost, reliable, simple in structure and be easy to the Automatic Temperature Control of user's temperature adjustment operation.
A kind of automatic temperature controller of the present invention, energy supply circuit (II) formation that the temperature-control circuit of being made up of the sensing element (13) that is connected in series with relay CJ1 coil (15), temperature adjustment dish (14), control power supply (16) (I) and the main electrical equipment (19) that is connected in series with the contact (17) of relay CJ1 coil, primary power (18) are formed;
It is characterized in that:
Described temperature-sensing element (13) structure is that an airtight tubule (20) is arranged, be provided with conducting terminal (21) on it more than one, be filled with dielectric (22) in the cavity of tubule (20), its underpart is a temperature-sensitive chamber (24) that communicates with tubule (20), annotated temperature sensing agent (25) in it in advance, another kind of electrolyte (23) separates electrolyte (22) and temperature sensing agent (25), and conducting terminal (30) communicates with temperature sensing agent (25);
The structure of described temperature adjustment dish (14) is to be provided with the conduction slide plate (29) that is connected with the conducting terminal (21) of temperature-sensing element (13) and one can tune and contact good pointer (17) with corresponding slide plate and form on an insulating disc (26), and this pointer (27) is connected with lead with conducting terminal (28);
The sheathing material of described tubule (20) is an impermeability insulating concrete cylinder body, preferred glass;
Described electrolyte (22) is the inactive gas of chemical property, preferred nitrogen;
The material of described electrolyte (23) is an insulating material, preferred alcohol;
The material of described temperature sensing agent (25) is a conducting liquid, preferred mercury;
The characteristic that the present invention utilizes temperature sensing agent (25) conduction and expands or shrink along with the variation of environment temperature, conducting terminal (30) and (28) are switched on or switched off thereupon, relay CJ1 coil (15) is switched on thereupon or is cut off the power supply on the control loop, the corresponding contacts of relay CJ1 (17) produces corresponding action, control main electrical equipment (19) and open or stop, realize succinct, temperature is controlled automatically reliably.
Below in conjunction with description of drawings the present invention, it does not limit the present invention, and scope of the present invention is defined by the claims;
Fig. 1 is the fundamental diagram of traditional temperature-sensitive capsule formula temperature controller;
Fig. 2 is the fundamental diagram of existing thermally sensitive temperature controller;
The fundamental diagram of Fig. 3 automatic temperature controller of the present invention;
Fig. 1,2 principle of work are as preceding explanation;
Referring to Fig. 3, wherein (I) is the temperature control part branch, and by (13) temperature-sensing element, (14) temperature adjustment dish, (15) relay CJ1 coil, (16) control power supply and connection lead constitute;
Described temperature-sensing element (13) structure is that an airtight tubule (20) is arranged, be provided with conducting terminal (21) on it more than one, be filled with dielectric (22) in the cavity of tubule (20), its underpart is a temperature-sensitive chamber (24) that communicates with tubule (20), annotated temperature sensing agent (25) in it in advance, another kind of electrolyte (23) separates electrolyte (22) and temperature sensing agent (25), and conducting terminal (30) communicates with temperature sensing agent (25);
The structure of described temperature adjustment dish (14) is to be provided with the conduction slide plate (29) that is connected with the conducting terminal (21) of temperature-sensing element (13) and one can tune and contact good pointer (17) with corresponding slide plate and form on an insulating disc (26), and this pointer (27) is connected with lead with conducting terminal (28);
A kind of automatic temperature controller of the present invention, the characteristic of utilizing temperature sensing agent (25) conduction and expanding or shrink along with the variation of environment temperature, conducting terminal (30) and (28) are switched on or switched off thereupon, relay CJ1 coil (15) is switched on thereupon or is cut off the power supply on the control loop, the corresponding contacts of relay CJ1 (17) produces corresponding action, control main electrical equipment (19) and open or stop, realize succinct, temperature is controlled automatically reliably.
Describe the principle of work of preferred version Fig. 3 of the present invention now in detail:
Referring to Fig. 3, the temperature-sensitive room temperature of establishing the conducting terminal indication that pointer (27) connected is T.The plastic tube that a bit of heat conductivility of temperature-sensitive chamber (24) suit is relatively poor is also placed (as the endpiece of evaporator) in position, to satisfy suitable the stopped temperature difference.When environment need be lowered the temperature, main electrical equipment (19) was cooling system, the normally opened contact of (17) engage relay CJ1.When environment temperature during in T, the temperature-sensitive room temperature is higher than T thereupon, and (30) are in electric conducting state with (28) by temperature sensing agent (25), and (15) switch on, (17) closure, main electrical equipment (19) entry into service.Reduce gradually with environment temperature, the temperature-sensitive room temperature reduces subsequently, and temperature sensing agent (25) shrinks, and when environment temperature was lower than T, (30) were in off-position with (28), (15) outage, and (17) disconnect, and main electrical equipment (19) stops.The temperature-sensitive room temperature continues to reduce, experience certain hour interval, and environment temperature is gone up gradually naturally, and the temperature-sensitive room temperature raises subsequently, temperature sensing agent (25) expands thereupon, and environment temperature is higher than T, (30) and (28) conducting, (15) energising, (17) closure, main electrical equipment (19) recovers running; The realization temperature is controlled automatically.
When environment need heat, the plastic tube of a bit of heat conductivility difference of temperature-sensitive chamber (24) suit is also placed (as the endpiece of evaporator) in position, satisfy the suitable start-stop temperature difference.Referring to Fig. 3 master's electrical equipment (19) is firing equipment, and (17) are connected and the corresponding normally closed contact of relay CJ1 coil (15).
When environment temperature was lower than T, the temperature-sensitive room temperature was lower than T subsequently, and (30) disconnect with (28), (15) outage, (17) closure, main electrical equipment heating beginning.
Along with environment temperature raises gradually, the temperature-sensitive room temperature raises subsequently, and temperature sensing agent (25) expands thereupon, and when environment temperature was higher than T, the temperature-sensitive room temperature was higher than T subsequently, (30) and (28) conducting, and (15) energising, (17) disconnect, and main electrical equipment (19) heating stops.When the temperature-sensitive room temperature continues to raise, experience certain hour at interval, along with environment temperature reduces gradually, the temperature-sensitive room temperature reduces subsequently, temperature sensing agent (25) shrinks thereupon, and when environment temperature was lower than T, the temperature-sensitive room temperature was lower than T subsequently, (30) with (28) outage, (15) outage, (17) closure, main electrical equipment (19) recovers heating, and so forth, the realization temperature is controlled automatically.
The present invention utilizes the conductive characteristic of temperature sensing agent (25) to make the break-make of its direct pilot relay, and it is simple in structure, easy to manufacture promptly to have a temperature-sensitive capsule formula temperature controller, the advantage that cost is low, and it is little to have overcome temperature-sensitive capsule formula temperature controller thermoregulation range again, the shortcoming of poor reliability.Compare with the thermistor-type temperature controller, it had both possessed the dependable performance advantage, had overcome its cost height again, circuit complexity, the shortcoming of debugging maintenance difficult.
With Shenzhen * * * air conditioner of company is an example, the air conditioner of the said firm has used technology of the present invention, the Automatic Temperature Control of air conditioner such as Fig. 3: this Automatic Temperature Control price is less than 60% of temperature-sensitive capsule formula temperature controller, less than 30% of thermistor-type temperature controller, because it is simple in structure, the performance quite stable is reliable since the operation.
Claims (5)
1, a kind of automatic temperature controller, energy supply circuit (II) formation that the temperature-control circuit of being made up of the sensing element (13) that is connected in series with relay CJ1 coil (15), temperature adjustment dish (14), control power supply (16) (I) and the main electrical equipment (19) that is connected in series with the contact (17) of relay CJ1 coil, primary power (18) are formed;
It is characterized in that:
Described temperature-sensing element (13) structure is that an airtight tubule (20) is arranged, be provided with conducting terminal (21) on it more than one, be filled with dielectric (22) in the cavity of tubule (20), its underpart is a temperature-sensitive chamber (24) that communicates with tubule (20), annotated temperature sensing agent (25) in it in advance, another kind of electrolyte (23) separates electrolyte (22) and temperature sensing agent (25), and conducting terminal (30) communicates with temperature sensing agent (25);
The structure of described temperature adjustment dish (14) is to be provided with the conduction slide plate (29) that is connected with the conducting terminal (21) of temperature-sensing element (13) and one can tune and contact good pointer (17) with corresponding slide plate and form on an insulating disc (26), and this pointer (27) is connected with lead with conducting terminal (28);
2, the temperature controller of claim 1, the sheathing material that it is characterized in that described tubule (20) are impermeability insulating concrete cylinder body, preferred glass;
3, the temperature controller of claim 1 is characterized in that described electrolyte (22) is the inactive gas of chemical property, preferred nitrogen;
4, the temperature controller of claim 1 is characterized in that the material of described electrolyte (23) is an insulating material, preferred alcohol;
5, the temperature controller of claim 1 is characterized in that the material of described temperature sensing agent (25) is a conducting liquid, preferred mercury;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97100565 CN1160197A (en) | 1997-02-03 | 1997-02-03 | Automatic temp. controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97100565 CN1160197A (en) | 1997-02-03 | 1997-02-03 | Automatic temp. controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1160197A true CN1160197A (en) | 1997-09-24 |
Family
ID=5165152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97100565 Pending CN1160197A (en) | 1997-02-03 | 1997-02-03 | Automatic temp. controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1160197A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406373A (en) * | 2010-09-22 | 2012-04-11 | 连江县宏大激光测量仪器研究所 | Cold conditioning bed |
| CN102954845A (en) * | 2011-08-29 | 2013-03-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Temperature alarming device |
| CN104422533A (en) * | 2013-08-31 | 2015-03-18 | 何永 | Miniature fixed-point temperature dynamic display meter |
| CN110407619A (en) * | 2019-08-26 | 2019-11-05 | 湖南天爱农业科技有限公司 | A kind of device of controllable fertilizer fermentation temperature |
-
1997
- 1997-02-03 CN CN 97100565 patent/CN1160197A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406373A (en) * | 2010-09-22 | 2012-04-11 | 连江县宏大激光测量仪器研究所 | Cold conditioning bed |
| CN102954845A (en) * | 2011-08-29 | 2013-03-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Temperature alarming device |
| CN102954845B (en) * | 2011-08-29 | 2014-11-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Temperature alarming device |
| CN104422533A (en) * | 2013-08-31 | 2015-03-18 | 何永 | Miniature fixed-point temperature dynamic display meter |
| CN104422533B (en) * | 2013-08-31 | 2018-02-09 | 何永 | Miniature fixed point temperature dynamic shows table |
| CN110407619A (en) * | 2019-08-26 | 2019-11-05 | 湖南天爱农业科技有限公司 | A kind of device of controllable fertilizer fermentation temperature |
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| WD01 | Invention patent application deemed withdrawn after publication |