CN2153084Y - Bimetal thermostat - Google Patents
Bimetal thermostat Download PDFInfo
- Publication number
- CN2153084Y CN2153084Y CN 93210498 CN93210498U CN2153084Y CN 2153084 Y CN2153084 Y CN 2153084Y CN 93210498 CN93210498 CN 93210498 CN 93210498 U CN93210498 U CN 93210498U CN 2153084 Y CN2153084 Y CN 2153084Y
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- induction pieces
- temperature
- extension
- bimetal thermostat
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a bimetal thermostat, which is composed of constant temperature contacts, superhigh temperature contacts, ultralow temperature contacts, an upper metal sheet, a lower metal sheet, and induction members, wherein, induction pieces are arranged at one side between the upper and the lower metal sheets which are arranged outside adjacent segments of induction members and are provided with extending segments; contacts are arranged on the extending segment of the lower metal sheet and are connected with a controlled electric appliance through a connection wire. The utility model has the advantages of simple and reasonable structure, low cost, long service life, less damage, easy adjustment, easy trimming, convenient maintenance, low power consumption, high safety, stable performance, high sensitivity, super low temperature and superhigh temperature alarm function, etc.
Description
The utility model relates to a kind of bimetal thermostat, particularly relate to a kind ofly be used to impart knowledge to students, produce, the bimetal thermostat of the multi-functional automatic constant-temperature of experiment and biological culture.
The bimetal thermostat that prior art is used generally adopts the bimetallic strip contact structure, have simple in structure, cost is low, keeps in repair easier characteristics, is applicable to mathematics, production and experiment.But this class bimetal thermostat, precision is low, error amount is bigger, and general error is all more than ± 2 ℃, and does not have warning device, and is very inconvenient to being used for teaching and biological culture (as hatching, microorganism and sericulture, tissue culture etc.).
The purpose of this utility model is to avoid weak point of the prior art and a kind of have new composition and structure is provided, and structure is more simple, cost is very low, be difficult for loss, regulate easy, easy to maintenance, little power consumption, precision height, stable performance, safe and reliable bimetal thermostat.
The purpose of this utility model can reach by following measure: bimetal thermostat includes the constant temperature contact, superhigh temperature contact and ultralow temperature contact and connection lead-in wire and web member, also be provided with sheet metal, following sheet metal and the induction pieces of being made by solid-state temperature-sensitive expansion organic material constitute, induction pieces is loaded between sheet metal and the following sheet metal and is positioned at a side, last sheet metal and following sheet metal are positioned at the induction pieces adjacent segment and are respectively arranged with the extension, the constant temperature contact, superhigh temperature contact and ultralow temperature contact are installed on down respectively on the extension of sheet metal and by connecting lead-in wire and connect with controlled electric appliance.
The utility model is described in further detail to utilize accompanying drawing:
Fig. 1 is the structural representation of a kind of bimetal thermostat of the present utility model;
Fig. 2 is the A-A structural representation of Fig. 1;
Fig. 3 is the plan structure synoptic diagram of Fig. 1.
In Fig. 1, Fig. 2 and bimetal thermostat shown in Figure 3, include: by zinc metal sheet (21) And lower sheet metal (1) and extension (2) thereof of steel disc (20) formation; 2 induction pieces (3) that the temperature-sensitive hard rubber consists of; Upper sheet metal (4) and extension (5) thereof by zinc metal sheet (21) and steel disc (20) formation; And constant temperature contact (6), insulating part (7), insulation board (8), the spring washer (9) of regulating usefulness, welding screw (10), fixed base plate (11), hold-down screw (12), hold-down screw (13) copper reed (14), insulation sleeve (15), superhigh temperature contact (16), connect to draw and connect (17), lucite insulating part (18), hold-down screw (19) and ultralow temperature contact (23).
The utility model is described in further detail to utilize following examples:
A kind of thermometal electro-thermostat of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3, mainly by following sheet metal (1) and extension (2) and (5) two pairs of bimetallic strips of last sheet metal (4) and extension thereof, 2 temperature-sensitive ebonite board induction pieces (3), and constant temperature contact (6), superhigh temperature contact (16) and ultralow temperature contact (23) constitute, following sheet metal (1) and extension (2) thereof constitute a pair of complete bimetallic strip, last sheet metal (4) and extension (5) thereof constitute a pair of complete bimetallic strip, the centre is more than the twice of zinc metal sheet as the linear expansion coefficient of the temperature-sensitive ebonite board of induction pieces (3), and the performance of approximate this section of the performance of the following sheet metal (1) of this induction pieces (3) and adjacent segment and extension (2), equally, the performance of the last sheet metal (4) of induction pieces (3) and adjacent segment is similar to the performance of this section and extension (5), thereby plays the effect of 4 pairs of bimetallic strips.Extension (2) play the nature amplification to the starting performance of the following sheet metal (1) of induction pieces (3) and adjacent segment simultaneously, and extension (2) length be this adjacent segment more than 2 times the time, will amplify more than 2 times starting performance, in like manner, extension (5) also will amplify more than 2 times starting performance.Therefore, this structure will produce the effect of 8 pairs of bimetallic strip starting performance.
A kind of bimetal thermostat of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3, induction pieces (3) are constituted and are installed on a side between sheet metal (4) and the following sheet metal (1) by temperature-sensitive rubberite arranged side by side more than 1 or 1.Generally can adopt 2 blocks of temperature-sensitive rubberite arranged side by side to be installed between sheet metal (4) and the following sheet metal (5) and constitute induction pieces (3).
A kind of bimetal thermostat of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3, last sheet metal (4) extension (5) length and following sheet metal (4) extension (2) length are positioned at induction pieces (3) adjacent segment length with last sheet metal (4) respectively and following sheet metal (1) is positioned at the length of induction pieces (3) adjacent segment length than 〉=2 times.Generally can be that last sheet metal (4) extension (5) length is 2 times that last sheet metal (4) is positioned at induction pieces (3) adjacent segment length, corresponding sheet metal (1) extension (2) down be positioned at 2 times of induction pieces (3) adjacent segment length for following sheet metal (1).
A kind of bimetal thermostat of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3, it is adjustable the connection that last sheet metal (4) is positioned at extension one side with following sheet metal (1) in the adjacent segment with induction pieces (3), promptly can realize the spring washer (9) of finely tuning by go up setting at the gib screw (19) of adjacent extension one side, and at opposite side by gib screw (19) connection that fixes.
A kind of bimetal thermostat of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3, last sheet metal (4) and following sheet metal (1) all can be to be made of zinc metal sheet (21) and steel disc (20), and zinc metal sheet (21) joins at interior and induction pieces (3), steel disc (20) is close to zinc metal sheet (21) outside.Like this on all identical contact of the direction of acting force, this structure not only rationally but also simple, and sensitivity is high.
A kind of bimetal thermostat of the present utility model can also be provided with ultralow temperature and superhigh temperature warning device, and the lead-in wire (17) that connects that lead-in wire (17) joins, superhigh temperature is reported to the police with draw superhigh temperature contact (16) that connects that its ultralow temperature is reported to the police with draw ultralow temperature contact (23) joins.
The utility model compared with prior art has following features:
(1) simple and reasonable, cost is lower;
(2) long service life, not fragile, contact bounce is more than 100,000 times;
(3) regulate easily, can realize fine setting;
(4) easy to maintenance;
(5) power consumption is low;
(6) safe and reliable, stable performance;
(7) sensitivity is high, precision can reach ± 0.1 ℃ of scope in;
(8) have ultralow temperature and superhigh temperature warning function.
Claims (8)
1, a kind of bimetal thermostat, include the constant temperature contact, superhigh temperature contact and ultralow temperature contact and connection lead-in wire and web member, it is characterized in that also being provided with sheet metal, following sheet metal and the induction pieces of being made by solid-state temperature-sensitive expansion organic material constitute, induction pieces is loaded between sheet metal and the following sheet metal and is positioned at a side, last sheet metal and following sheet metal are positioned at the induction pieces adjacent segment and are respectively arranged with the extension, the constant temperature contact, superhigh temperature contact and ultralow temperature contact are installed on down respectively on the extension of sheet metal, and connect with controlled electric appliance by connecting lead-in wire.
2, bimetal thermostat according to claim 1 is characterized in that said induction pieces is that temperature-sensitive rubberite arranged side by side more than 1 or 1 constitutes and is installed on a side between sheet metal and the following sheet metal.
3, bimetal thermostat according to claim 2 is characterized in that said temperature-sensitive rubberite induction pieces is that 2 blocks of temperature-sensitive rubberite are installed on side by side between sheet metal and the following sheet metal and constitute.
4, bimetal thermostat according to claim 1 is characterized in that the said length that goes up sheet metal extension length and following sheet metal extension is positioned at induction pieces adjacent segment length with last sheet metal respectively and following sheet metal is positioned at the length of induction pieces adjacent segment length than being 〉=2 times.
5, bimetal thermostat according to claim 1 is characterized in that sheet metal extension length is 2 times that last sheet metal is positioned at induction pieces adjacent segment length, and following sheet metal extension length is 2 times that following sheet metal is positioned at induction pieces adjacent segment length.
6, bimetal thermostat according to claim 1, it is characterized in that sheet metal is adjustable the connection with following sheet metal being positioned at extension one side with the adjacent segment of induction pieces, promptly can realize the spring washer of finely tuning by on the gib screw of adjacent extension one side, being provided with, and in the opposite side connection that fixes.
7, bimetal thermostat according to claim 1 is characterized in that the said sheet metal of going up constitutes by zinc metal sheet and steel disc with following sheet metal, and zinc metal sheet joins at interior and induction pieces, steel disc is close to zinc metal sheet outside.
8, bimetal thermostat according to claim 1 is characterized in that also being provided with ultralow temperature and superhigh temperature warning device, and its ultralow temperature is reported to the police and is connected to the ultralow temperature contact by connecting lead-in wire, superhigh temperature is reported to the police and is connected to the superhigh temperature contact by connecting lead-in wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93210498 CN2153084Y (en) | 1993-04-24 | 1993-04-24 | Bimetal thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93210498 CN2153084Y (en) | 1993-04-24 | 1993-04-24 | Bimetal thermostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2153084Y true CN2153084Y (en) | 1994-01-12 |
Family
ID=33792376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93210498 Expired - Fee Related CN2153084Y (en) | 1993-04-24 | 1993-04-24 | Bimetal thermostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2153084Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942992B (en) * | 2004-04-27 | 2010-10-13 | 伊莱科有限公司 | Bimetallic thermostat with printed circuit interposed between a sensitive thermostatic element and a relay |
-
1993
- 1993-04-24 CN CN 93210498 patent/CN2153084Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942992B (en) * | 2004-04-27 | 2010-10-13 | 伊莱科有限公司 | Bimetallic thermostat with printed circuit interposed between a sensitive thermostatic element and a relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |