CN106783387A - A kind of dual control compression-type temperature controller - Google Patents
A kind of dual control compression-type temperature controller Download PDFInfo
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- CN106783387A CN106783387A CN201710135941.XA CN201710135941A CN106783387A CN 106783387 A CN106783387 A CN 106783387A CN 201710135941 A CN201710135941 A CN 201710135941A CN 106783387 A CN106783387 A CN 106783387A
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- temperature
- cam
- temperature controller
- adjustable plate
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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
- H01H37/36—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation
- H01H37/38—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation with bellows
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A kind of dual control compression-type temperature controller, is made up of switch case assembly, push rod, bellows component, main body, support, bearing plate, adjustable plate, extension spring, cam, adjustment axis etc..Wherein cam side wall profile is provided with high and low temperature temperature adjustment section and an inclination angle is provided between this two sections not less than 35 ° of angles and the no more than 55 ° tilting sections of angle, it is fully able to accomplish that adjustment axis and cam need to only be gone to diverse location and can be achieved with freezing control or refrigeration control by a temperature controller, a refrigerator is set to be used as refrigerating chamber, also can be used as refrigerating chamber, extend the function and purposes of refrigerator.
Description
Technical field
The present invention relates to temperature controller technical field, more particularly to a kind of dual control compression-type temperature controller.
Background technology
The compression-type temperature controller of existing a kind of refrigeration control, by switch case assembly 1, push rod 2, bellows component 3, main body
7th, the composition such as support 8, bearing plate 4, adjustable plate 5, extension spring 6, cam 9, adjustment axis 10, shown in Figure 1, and its operation principle is,
As temperature-sensitive temperature is raised, the special power pressure of filling is raised in bellows component 3, makes bellows overcome tension spring tension to promote
The counter-clockwise swing of bearing plate 4, is connected by the pull switch case assembly 1 of push rod 2.The amount of tension of extension spring can be by adjustable plate 5 and tune
Nodal axisn cam 9 is adjusted.The lift of the cam 9 is continuous smooth variation, and rotating adjustment axis 10 its operating temperatures will continuously become
Change.
Generally freezing requires temperature below -12 DEG C, and refrigeration then requires temperature more than 0 DEG C.If an it is required that refrigerator
Can be switched between freezing and refrigeration, then above-mentioned temperature controller has one section of temperature section between -12~0 DEG C, thus
Its switching can not be met to require.
The content of the invention
It is an object of the invention to provide a kind of dual control compression-type temperature controller, the temperature controller can ensure that in cryogenic temperature and cold
Hide and switched completely between temperature, so as to only need the temperature controller just to control the refrigerator can both to have made refrigerating chamber or can
To make refrigerating chamber, the function and purposes of refrigerator are extended.
Technical solution proposed by the invention is such:
A kind of dual control compression-type temperature controller, including switch case assembly 1, push rod 2, bellows component 3, main body 7, support 8, bearing plate
4th, adjustable plate 5, extension spring 6, cam 9, adjustment axis 10, the side wall profile of the cam 9 are provided with the different low temperature temperature adjustment section of radius of curvature
901 and high temperature thermoregulation section 903, low temperature temperature adjustment section 901 and high temperature low-temperature zone 903 between be respectively equipped with tilting section 902 and gear
Section 904, the low temperature temperature adjustment section 901 and high temperature thermoregulation section 903 are gentle lift section, and the tilting section 902 is to incline lift
Section, 904 forward and backward two ends of baffle plate section are provided with the straight flange that inclination angle is 90 °, the lift angle α of the tilting section 902 of the cam 9 for 35 °~
55 ° of angles, the adjustable plate shank 502 is in circular arc with the contact portion of cam 9.
The preferred value of the lift angle α of the tilting section 902 of the cam 9 is 43 °~47 ° angles.The song of the high temperature thermoregulation section 903
Radius of curvature of the rate radius more than low temperature temperature adjustment section 901.
The course of work of this dual control compression-type temperature controller is, when adjustment axis 10 with moving cam 9 go to low temperature temperature adjustment section 901 with
When adjustable plate shank 502 is contacted, if temperature controller is in the range of cryogenic temperature adjusted, its operating temperature highest is not higher than-
12℃;When adjustment axis 10 and cam 9 go to high temperature thermoregulation section 903 and contact with adjustable plate shank 502, then now temperature controller cold
Regulation in temperature range is hidden, its operating temperature is minimum to be not less than 0 DEG C;When cam 9 from low temperature temperature adjustment section 901 through 902 turns of tilting section
During to high temperature thermoregulation section 903, because the inclination angle of tilting section 902 is less big, as long as applying certain moment of torsion that climbs, then circular arc
Adjustable plate shank 502 can climb up high temperature thermoregulation section 903;When cam 9 goes to low temperature from high temperature thermoregulation section 903 through tilting section 902
During temperature adjustment section 901, because the inclination angle of tilting section 902 is than larger, as long as hand, the regulation of circular arc are decontroled in optional position therebetween
Trigger portion 502 just can automatically be slipped to low temperature temperature adjustment section 901.It is about 90 ° straight that respectively there is one section of inclination angle at 904 two ends of gear section
Side, no matter applying great moment of torsion can not surmount this two straight flanges, thereby serve to position-limiting action.
Participate in shown in Fig. 3, when inclination alpha is larger, climbed to the fortune of high temperature section 903 by tilting section 902 from low-temperature zone 901
The force analysis of dynamic driven member adjustable plate shank 502 is as follows:Adjustable plate shank 502 is subject to the normal pressure of the tilting section 902 of cam 9
It is N1, and because motion is subject to tangential and the opposite frictional force of the direction of motion is f corresponding thereto1, both make a concerted effort is N2, close
Power N2With normal pressure N1Angle theta1It is decided by the friction coefficient μ of cam 9 and adjustable plate shank 502, f1=μ×N1, angle theta1=
arctg(μ).On the other hand, adjustable plate shank 502 is also by the counter-force N of the chute of support 83With tangential and motion side corresponding thereto
To opposite frictional force f2Effect, both make a concerted effort be N4, N with joint efforts4With counter-force N3Angle theta2It is decided by cam 9 and adjustable plate
The friction coefficient μ of shank 502, f2=μ×N3, angle theta2=arctg(μ).Can be obtained from stress balance, N4=N3×cos(β), wherein β=
90°-α–θ1.Only as β >=θ2When, adjustable plate shank 502 is only possible to overcome frictional force to move right;Otherwise no matter apply much
Power, adjustable plate shank 502 can not be moved all in friction self-locking state, thus cam 9 can not be rotated.Assuming that it is above-mentioned everywhere
Friction coefficient μ=0.2. can calculate α≤67.4 ° angle.Actually due to the uncertainty of coefficient of friction, therefore take α≤55 ° angle
Degree.
It is shown in Figure 4, when inclination alpha is smaller, the fortune of low-temperature zone 901 is slipped to by tilting section 902 from high temperature section 903
The force analysis of the dynamic inclined plane 902 of driven member cam 9 is as follows:Drawn because of extension spring 6 in the regulated trigger portion 502 of cam inclined plane 902
Power and transverse pressure N to the left5, and because motion is subject to the tangential and opposite frictional force f of the direction of motion corresponding thereto3, both
Make a concerted effort be N6, N with joint efforts6With transverse pressure N5Angle theta3It is decided by the friction coefficient μ of cam 9 and adjustable plate shank 502, f3=μ
×N5, angle theta3=arctg(μ).Only as N with joint efforts6With horizontal angle γ >=0, N6Can just a up time be produced to cam 9
The moment of torsion in pin direction, enables cam 9 to turn to adjustable plate shank 502 and is accordingly slipped to low-temperature zone 903;Otherwise, if hand twists rotation
Button is loosed one's grip in tilting section 902 behind optional position, then temperature controller cam 9 and knob just will stay on the position of loosing one's grip, that is, work
In 0 DEG C~-12 DEG C of uncertain temperature range.Can be obtained from geometry:γ=α-θ3, it is assumed that friction coefficient μ=0.2. can be calculated
Go out α >=11.3 ° angle.Actually due to also needing to consider to overcome axle pivot frictional force and jump ring frictional force and because friction is
Several uncertainties, therefore take α >=35 ° angle.
It is of the invention innovation main points be:The cam 9 is provided with the tilting section of one section of inclination angle, 35 °≤α≤55 ° angle
902, then adjustable plate shank 502 can climb to high temperature thermoregulation section 903 from low temperature temperature adjustment section 901 to apply certain moment of torsion, and from high temperature
Temperature adjustment section 903 can automatically drop into low temperature temperature adjustment section 901 when going to tilting section 902.
Compared with prior art, the present invention has following remarkable result:
Temperature controller of the invention due to two sections of high and low temperature temperature adjustments section is employed in cam side wall profile and use tilting section by its
Couple together, and the inclination alpha of tilting section must not drop below 35 ° of angles no more than 55 ° angles, thus, it is possible to accomplish completely
Adjustment axis and cam need to only be gone to diverse location and can be achieved with freezing control or refrigeration control by one temperature controller, make a refrigerator
Can be used as refrigerating chamber, can also be used as refrigerating chamber, extend the purposes of refrigerator.
Brief description of the drawings
Fig. 1 is a kind of structural representation of dual control compression-type temperature controller of the invention.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is adjustable plate shank force analysis schematic diagram of the temperature controller shown in Fig. 2 from low-temperature zone to high temperature section.
Fig. 4 is cam tilting section force analysis schematic diagram of the temperature controller shown in Fig. 2 from high temperature section to low-temperature zone.
Specific embodiment
The present invention is further elaborated by example below.
Referring to shown in Fig. 1 to Fig. 4, a kind of dual control compression-type temperature controller, by switch case assembly 1, push rod 2, bellows component
3rd, the composition such as main body 7, support 8, bearing plate 4, adjustable plate 5, extension spring 6, cam 9, adjustment axis 10, the side wall profile of the cam 9 sets
Have radius of curvature it is different low temperature temperature adjustment section 901 and high temperature thermoregulation section 903, low temperature temperature adjustment section 901 and high temperature low-temperature zone 903 it
Between be respectively equipped with tilting section 902 and gear section 904, low temperature temperature adjustment section 901 and high temperature thermoregulation section 903 are gentle lift
Section, the tilting section 902 is to incline lift section, and the 904 forward and backward two ends of baffle plate section are provided with the straight flange that inclination angle is 90 °, described convex
The lift angle α of 9 tilting sections 902 is taken turns for 35 °~55 ° angles, the adjustable plate shank 502 is in circular arc with the contact portion of cam 9.Institute
The preferred value for stating the lift angle α of the tilting section 902 of cam 9 is 43 °~47 ° angles.The radius of curvature of the high temperature thermoregulation section 903 is more than
The radius of curvature of low temperature temperature adjustment section 901.
The operation principle and the course of work of this temperature controller are such:As temperature-sensitive temperature is raised, filled in bellows component 3
The pressure rise of the special working medium of note, makes bellows overcome the pulling force of extension spring 6 and promote bearing plate 4 around installed in the both sides of main body 7
The counter-clockwise swing of fulcrum 401 of wall, by the contacting in the pull switch case assembly 1 of push rod 2.The amount of tension of extension spring 6 can lead to
The cam 9 for overregulating plate 5 and adjustment axis 10 is adjusted, as cam 9 goes to different directions, the described and side wall profile of cam 9
The position of the shank 502 of adjustable plate 5 of contact can change, and adjustable plate 5 is put around the fulcrum 501 installed in the two side of main body 7
It is dynamic, so as to change the pulling force of extension spring 6.The side wall profile of the cam 9 has the one section low gentle temperature adjustment section 901 of lift and one section high
The gentle temperature adjustment section 903 of lift, there is one section to incline lift section 902 and one section of rotation gear section 904 respectively between them.Institute
It is circular arc to state the adjustable plate shank 502 contacted with the side wall profile of cam 9.
The lift angle α that the cam inclines lift section 902 is 35 °~55 ° angles, and optimum value is 43 °~47 ° angles.If rising
Angle is too small, and adjustable plate shank 502 will be made small to the transverse component of cam 9, is not enough to overcome the frictional force of the grade of cam 9 and make cam
9 are rotated, and adjustable plate shank 502 may be rested in inclination lift section 902 in any position, and now, temperature controller will set
Neither cryogenic temperature section nor refrigerated storage temperature section transition temperature section 0 DEG C~-12 DEG C on;If lift angle is too big, for example, greatly
When 55 ° of angles, then the moment of torsion that climbs needs very greatly, to prevent adjustable plate shank 502 from climbing to refrigerated storage temperature section, convex so as to lose
The dual control handoff functionality of wheel 9.
Because the present invention is attached thereto using two sections of cams of high and low temperature temperature adjustment section and by tilting section, the tilting section
Inclination alpha must be limited between 35 °~55 ° angles, in this way, it is possible to only can just be gone to control a refrigerator reality with a temperature controller
Now freezing or cold storage function, extend the function and purposes of refrigerator on the premise of cost is not increased, and improve the use of refrigerator
Value.
Claims (3)
1. a kind of dual control compression-type temperature controller, including switch case assembly(1), push rod(2), bellows component(3), main body(7), branch
Frame(8), bearing plate(4), adjustable plate(5), extension spring(6), cam(9), adjustment axis(10), it is characterised in that:The cam(9)Side
Wall profile is provided with the different low temperature temperature adjustment section of radius of curvature(901)With high temperature thermoregulation section(903), in low temperature temperature adjustment section(901)With
High temperature low-temperature zone(903)Between be respectively equipped with tilting section(902)With gear section(904), the low temperature temperature adjustment section(901)And high temperature
Temperature adjustment section(903)It is gentle lift section, the tilting section(902)To incline lift section, the baffle plate section(904)Forward and backward two
End is provided with the straight flange that inclination angle is 90 °, the cam(9)Tilting section(902)Lift angle α be 35 °~55 ° angles, the adjustable plate
Shank(502)With cam(9)Contact portion is in circular arc.
2. dual control compression-type temperature controller according to claim 1, it is characterised in that:The cam(9)Tilting section(902)'s
The preferred value of lift angle α is 43 °~47 ° angles.
3. dual control compression-type temperature controller according to claim 1, it is characterised in that:The high temperature thermoregulation section(903)Song
Rate radius is more than low temperature temperature adjustment section(901)Radius of curvature.
Priority Applications (1)
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CN201710135941.XA CN106783387A (en) | 2017-03-08 | 2017-03-08 | A kind of dual control compression-type temperature controller |
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CN201710135941.XA CN106783387A (en) | 2017-03-08 | 2017-03-08 | A kind of dual control compression-type temperature controller |
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CN201710135941.XA Pending CN106783387A (en) | 2017-03-08 | 2017-03-08 | A kind of dual control compression-type temperature controller |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107275150A (en) * | 2017-08-04 | 2017-10-20 | 佛山通宝华通控制器有限公司 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
CN107741096A (en) * | 2017-11-10 | 2018-02-27 | 广东史麦斯电器有限公司 | A kind of register of storage-type electric water heater |
CN109273320A (en) * | 2018-11-13 | 2019-01-25 | 佛山市高明欧电子制造有限公司 | A kind of offset-type temperature sensitive control device |
Citations (4)
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US4547760A (en) * | 1983-07-08 | 1985-10-15 | Eta Cerkno | Thermostat for refrigerators with a constant switching-on and adjustable switching-off temperature |
CN2334050Y (en) * | 1998-05-08 | 1999-08-18 | 青岛市家用电器研究所 | Special cam for regulating temp. controller |
CN204315464U (en) * | 2014-12-29 | 2015-05-06 | 常州汇商电器有限公司 | A kind of sensitive-type compression-type temperature controller |
CN206758357U (en) * | 2017-03-08 | 2017-12-15 | 佛山通宝华通控制器有限公司 | A kind of dual control compression-type temperature controller |
-
2017
- 2017-03-08 CN CN201710135941.XA patent/CN106783387A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547760A (en) * | 1983-07-08 | 1985-10-15 | Eta Cerkno | Thermostat for refrigerators with a constant switching-on and adjustable switching-off temperature |
CN2334050Y (en) * | 1998-05-08 | 1999-08-18 | 青岛市家用电器研究所 | Special cam for regulating temp. controller |
CN204315464U (en) * | 2014-12-29 | 2015-05-06 | 常州汇商电器有限公司 | A kind of sensitive-type compression-type temperature controller |
CN206758357U (en) * | 2017-03-08 | 2017-12-15 | 佛山通宝华通控制器有限公司 | A kind of dual control compression-type temperature controller |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107275150A (en) * | 2017-08-04 | 2017-10-20 | 佛山通宝华通控制器有限公司 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
CN107275150B (en) * | 2017-08-04 | 2019-07-19 | 佛山通宝华通控制器有限公司 | A kind of small torque forced shutdown compression-type temperature controller |
CN107741096A (en) * | 2017-11-10 | 2018-02-27 | 广东史麦斯电器有限公司 | A kind of register of storage-type electric water heater |
CN109273320A (en) * | 2018-11-13 | 2019-01-25 | 佛山市高明欧电子制造有限公司 | A kind of offset-type temperature sensitive control device |
CN109273320B (en) * | 2018-11-13 | 2023-11-28 | 佛山市高明欧一电子制造有限公司 | Compensation type temperature sensitive control device |
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Application publication date: 20170531 |