CN201281519Y - Non-fluorin ROHS explosion-proof temperature controller - Google Patents
Non-fluorin ROHS explosion-proof temperature controller Download PDFInfo
- Publication number
- CN201281519Y CN201281519Y CNU2008201364289U CN200820136428U CN201281519Y CN 201281519 Y CN201281519 Y CN 201281519Y CN U2008201364289 U CNU2008201364289 U CN U2008201364289U CN 200820136428 U CN200820136428 U CN 200820136428U CN 201281519 Y CN201281519 Y CN 201281519Y
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- temperature controller
- rohs
- explosion
- upper wall
- spring
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Abstract
The utility model discloses a fluorine-free ROHS explosion-proof temperature controller used for solving the problem that the existing temperature controllers have short service life and do not conform to UR ROHS instruction. The temperature controller comprises a shell, a clapboard is arranged in the shell to divide the shell into a main shell and an opening-closing shell, an opening-closing mechanism is arranged in the opening-closing shell, the upper wall of the main shell is provided with a cam and a transmission rod, the cam passes through the upper wall to be connected with a rotating shaft, the transmission rod is connected with the opening-closing mechanism by a mandril, the bottom of the main shell is provided with a corrugated pipe connected with the temperature controller, a lever transmission mechanism comprising an L-shaped lever is arranged above the corrugated pipe, the L-shaped lever is respectively connected with the opening-closing mechanism and the corrugated pipe, a collar stop is arranged on the rotating shaft and close to the upper wall, and a rotating shaft outer sleeve between the collar stop and the upper wall is provided with an elastic gasket. The utility model is applicable to the refrigeration control of various refrigerators.
Description
Technical field
The utility model relates to a kind of explosion-proof temperature controller, relates in particular to a kind of free-floride, meets the explosion-proof temperature controller that ROHS instructs.
Background technology
At present, in the refrigerator refrigeration control the most normal use be the explosion-proof temperature controller of band auxiliary switch, its structure is for being provided with the cam that revolves axle, and the drive link that cooperates with cam on the upper wall of housing, drive link is connected with the push rod that passes dividing plate, and push rod is connected with middle contact frame by auxiliary shell fragment; When the needs forced stoppage, order about the cam rotation by revolving axle, the cam driven drive link moves, and auxiliary contact is separated with middle contact frame, thereby realize forced stoppage.Yet, existing temperature controller structure, use a period of time after, cam with revolve between the axle because wearing and tearing often produce looseningly, make to cooperate between a rotation location of revolving spool, cam and the drive link to be affected, shortened the service life of temperature controller; In addition, existing material of revolving axle is a brass, and it easily causes environmental pollution in follow-up surface treatment, does not meet the ROHS of European Union command request; Simultaneously, the refrigerant that temperature sensing material and bellows are filled is that fluorine must be held high, and does not meet environmental requirement.
The utility model content
The purpose of this utility model provides the explosion-proof temperature controller of floride-free ROHS of a kind of long service life, compliance with environmental protection requirements.
For achieving the above object, the utility model adopts following technical scheme:
The explosion-proof temperature controller of floride-free ROHS that the utility model provides, comprise housing, be provided with dividing plate in this housing housing is divided into main casing and switch case two parts, be provided with switching mechanism in this switch case, the upper wall of described main casing is provided with cam and drive link, this cam pass upper wall and revolve the axle be connected, this drive link is connected with switching mechanism by push rod; The bottom of main casing is provided with the bellows that is connected with temperature sensing part, this bellows top is provided with the lever transmission mechanism that comprises L shaped lever, L shaped lever is connected with bellows with switching mechanism respectively, a described nearly upper wall place of revolving is provided with collar stop, revolves outer shaft sleeve between collar stop and the upper wall and is provided with elastomeric pad.
Further, the refrigerant in described temperature sensing part and the bellows is cold-producing medium R290 or R134a.
Described material of revolving axle is an allumen.
Wherein, described lever transmission mechanism also comprises the spring mechanism that is connected with L shaped lever, and the horizontal sides of this L shaped lever is placed on the bellows, and the push rod that its vertical edge and runs through dividing plate is connected, and the other end of this push rod is connected with switching mechanism.
Described spring mechanism comprises horizontal positioned spring and the vertical spring of placing, and the base end of this horizontal positioned spring is fixed on the sidewall of main casing, and spring terminal is fixed on the vertical edge of L shaped lever; The base end of described vertical placement spring is fixed on the upper wall of main casing, and the bearing plate that spring terminal and is fixed on the main casing is connected.
Described switching mechanism comprises the contact of deciding that moving contact reaches and moving contact is oppositely arranged, should decide contact with run through the contact frame and of deciding that is arranged on the switch case sidewall and assist contact to be connected, one end of auxiliary contact is connected with described push rod, and the middle part of auxiliary contact is connected with middle contact frame; Described moving contact is fixed on an end of a moving contact sheet, and the middle part of moving contact sheet is connected with push rod by the U-shaped reed, the moving contact sheet with run through the moving contact frame that is arranged on the switch case sidewall and be connected.
The explosion-proof temperature controller of floride-free ROHS that the utility model provides, by at the cam of existing temperature controller and revolve and revolve outer shaft sleeve between the axle and be provided with elastomeric pad, rotate repeatedly revolving a relative cam, revolve and produce when becoming flexible between axle and the cam, elastomeric pad can keep cam and revolve cooperate between the axle stable, thereby has prolonged the service life of temperature controller; Simultaneously, the material that the utility model will revolve axle becomes allumen by brass, makes temperature controller meet the ROHS of European Union command request; The refrigerant that temperature sensing material and bellows are filled must be held high by fluorine and become cold-producing medium R290 or R134a, makes the utility model meet requirement on environmental protection.
Description of drawings
Fig. 1 is the structural representation of the explosion-proof temperature controller of the floride-free ROHS of the utility model;
Fig. 2 is the generalized section of the explosion-proof temperature controller of the floride-free ROHS of the utility model.
The specific embodiment
In order to make those skilled in the art person understand the utility model scheme better, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, the embodiment of the explosion-proof temperature controller of floride-free ROHS that the utility model provides comprises housing 10, is provided with dividing plate 20 in this housing 10 housing 10 is divided into main casing 11 and switch case 12 two parts; The upper wall of described main casing 11 is provided with cam 40 and drive link 50, and this cam 40 passes upper wall and and revolves axle and 41 is connected, and turn is revolved spools 41 and can be driven cam 40 and rotate relative to housing 10; The bottom of housing 10 is provided with the bellows 61 that is connected with temperature sensing part 60, and the refrigerant in this temperature sensing part 60 and the bellows 61 is cold-producing medium R290 or R134a, replaces the freon that uses now; The described axle 41 nearly upper wall places of revolving are provided with collar stop 42, revolve outer shaft sleeve between collar stop 42 and the upper wall and are provided with elastomeric pad 44, and this elastomeric pad 44 can be selected corrugated gasket for use; Described material of revolving axle 41 selects for use allumen to replace existing brass, to satisfy the requirement of the ROHS of European Union instruction.
Be provided with switching mechanism in the described switch case 12, this switching mechanism comprises moving contact 31 and decides contact 32 with moving contact 31 is oppositely arranged, should decide contact 32 with run through the contact frame 33 and of deciding that is arranged on switch case 12 sidewalls and assist contact 34 to be connected, one end of auxiliary contact 34 is connected with the push rod 51 that runs through dividing plate 20 settings, and its middle part is connected with the middle contact frame 38 of penetrating switch housing 12; Described moving contact 31 is fixed on an end of a moving contact sheet 35, moving contact sheet 35 with run through the moving contact frame 36 that is arranged on the switch case sidewall and be connected, the middle part of moving contact sheet 35 is connected by the push rod 55 that a U-shaped reed 37 and runs through dividing plate 20 settings, and the other end of push rod 55 is connected with L shaped lever 71.
In the described main casing 11, bellows 61 tops are provided with lever transmission mechanism, lever transmission mechanism comprises L shaped lever 71 and the spring mechanism 72 that is connected with L shaped lever 71, the horizontal sides of this L shaped lever 71 is placed on the bellows 61, its vertical edge is connected with push rod 55, and the other end of this push rod 55 is connected with moving contact sheet 35 by U-shaped reed 37; Described spring mechanism 72 comprises horizontal positioned spring 73 and the vertical spring 74 of placing, and the base end of this horizontal positioned spring 73 is fixed on the sidewall of main casing 11, and spring terminal is fixed on the vertical edge of L shaped lever 71, is used to stablize the vertical edge of L shaped lever 71; The base end of described vertical placement spring 74 is fixed on the upper wall of main casing 11, and the bearing plate 75 that spring terminal and is fixed on the main casing 11 is connected, and is used to stablize the horizontal sides of L shaped lever 71.
The course of work of the present utility model is as follows:
When temperature descended, bellows 61 shrank, and L shaped lever 71 promotes push rods 55 and moves right, and when reaching critical localisation, 37 upsets of U-shaped reed make moving contact 31 and decide contact 32 and separate the main switch disconnection; Otherwise switch connection.When needing forced shutdown, turn is revolved axle 41 and is driven cam 40 rotations, promotes push rod 51 by drive link 50 and moves right, and main switch is disconnected, and realizes forced shutdown.
The explosion-proof temperature controller of floride-free ROHS that the utility model provides, by at the cam of existing temperature controller and revolve and revolve outer shaft sleeve between the axle and be provided with elastomeric pad, rotate repeatedly revolving a relative cam, revolve and produce when becoming flexible between axle and the cam, elastomeric pad can keep cam and revolve cooperate between the axle stable, thereby has prolonged the service life of temperature controller; Simultaneously, the material that the utility model will revolve axle becomes allumen by brass, makes temperature controller meet the ROHS of European Union command request; The refrigerant that temperature sensing material and bellows are filled must be held high by fluorine and become cold-producing medium R290 or R134a, makes the utility model meet requirement on environmental protection.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (6)
1, the explosion-proof temperature controller of a kind of floride-free ROHS, comprise housing, be provided with dividing plate in this housing housing is divided into main casing and switch case two parts, be provided with switching mechanism in this switch case, the upper wall of described main casing is provided with cam and drive link, this cam pass upper wall and revolve the axle be connected, this drive link is connected with switching mechanism by push rod; The bottom of main casing is provided with the bellows that is connected with temperature sensing part, this bellows top is provided with the lever transmission mechanism that comprises L shaped lever, L shaped lever is connected with bellows with switching mechanism respectively, it is characterized in that, a described nearly upper wall place of revolving is provided with collar stop, revolves outer shaft sleeve between collar stop and the upper wall and is provided with elastomeric pad.
2, the explosion-proof temperature controller of floride-free ROHS according to claim 1 is characterized in that, the refrigerant in described temperature sensing part and the bellows is cold-producing medium R290 or R134a.
3, the explosion-proof temperature controller of floride-free ROHS according to claim 1 is characterized in that, described material of revolving axle is an allumen.
4, the explosion-proof temperature controller of floride-free ROHS according to claim 1, it is characterized in that, described lever transmission mechanism also comprises the spring mechanism that is connected with L shaped lever, the horizontal sides of this L shaped lever is placed on the bellows, the push rod that its vertical edge and runs through dividing plate is connected, and the other end of this push rod is connected with switching mechanism.
5, the explosion-proof temperature controller of floride-free ROHS according to claim 4, it is characterized in that, described spring mechanism comprises horizontal positioned spring and the vertical spring of placing, and the base end of this horizontal positioned spring is fixed on the sidewall of main casing, and spring terminal is fixed on the vertical edge of L shaped lever; The base end of described vertical placement spring is fixed on the upper wall of main casing, and the bearing plate that spring terminal and is fixed on the main casing is connected.
6, the explosion-proof temperature controller of floride-free ROHS according to claim 4, it is characterized in that, described switching mechanism comprises the contact of deciding that moving contact reaches and moving contact is oppositely arranged, should decide contact with run through the contact frame and of deciding that is arranged on the switch case sidewall and assist contact to be connected, one end of auxiliary contact is connected with described push rod, and the middle part of auxiliary contact is connected with middle contact frame; Described moving contact is fixed on an end of a moving contact sheet, and the middle part of moving contact sheet is connected with push rod by the U-shaped reed, the moving contact sheet with run through the moving contact frame that is arranged on the switch case sidewall and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201364289U CN201281519Y (en) | 2008-09-22 | 2008-09-22 | Non-fluorin ROHS explosion-proof temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201364289U CN201281519Y (en) | 2008-09-22 | 2008-09-22 | Non-fluorin ROHS explosion-proof temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281519Y true CN201281519Y (en) | 2009-07-29 |
Family
ID=40928393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201364289U Expired - Fee Related CN201281519Y (en) | 2008-09-22 | 2008-09-22 | Non-fluorin ROHS explosion-proof temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281519Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964276A (en) * | 2010-09-26 | 2011-02-02 | 太平洋电子(昆山)有限公司 | Automatic reset temperature controller |
| CN103234324A (en) * | 2013-04-01 | 2013-08-07 | 合肥晶弘电器有限公司 | Temperature controller with temperature compensation and method for temperature compensation |
| CN105020975A (en) * | 2015-07-06 | 2015-11-04 | 合肥美的电冰箱有限公司 | Temperature-control box and refrigerator |
-
2008
- 2008-09-22 CN CNU2008201364289U patent/CN201281519Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964276A (en) * | 2010-09-26 | 2011-02-02 | 太平洋电子(昆山)有限公司 | Automatic reset temperature controller |
| CN103234324A (en) * | 2013-04-01 | 2013-08-07 | 合肥晶弘电器有限公司 | Temperature controller with temperature compensation and method for temperature compensation |
| CN103234324B (en) * | 2013-04-01 | 2016-03-02 | 合肥晶弘电器有限公司 | A kind of temperature controller and temperature compensation with temperature-compensating |
| CN105020975A (en) * | 2015-07-06 | 2015-11-04 | 合肥美的电冰箱有限公司 | Temperature-control box and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20110922 |