CN204516682U - low-temperature protection switch - Google Patents
low-temperature protection switch Download PDFInfo
- Publication number
- CN204516682U CN204516682U CN201520154368.3U CN201520154368U CN204516682U CN 204516682 U CN204516682 U CN 204516682U CN 201520154368 U CN201520154368 U CN 201520154368U CN 204516682 U CN204516682 U CN 204516682U
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- low
- bimetal leaf
- switch
- temperature
- protection switch
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- Expired - Fee Related
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Abstract
The utility model belongs to a kind of low-temperature protection switch, uses within air-conditioning systems.Primarily of bimetal leaf and terminal box composition, bimetal leaf is saltus step formula bimetallic temperature detect switch (TDS), and this bimetallic temperature detect switch (TDS) is wired to terminal box.This low-temperature protection switch adopts two types, and one is duct type, and one is lead type.This low-temperature protection switch main body is the saltus step formula thermostat (KSD) that closed bimetal leaf is formed.The utility model have be swift in motion, temperature control accurately, control that electric current is large, the feature of long service life.
Description
Technical field
The utility model belongs to a kind of application facility within air-conditioning systems, specifically belongs to a kind of low-temperature protection switch used within air-conditioning systems.
Background technology
Low-temperature switch product is owing to can provide switch open circuit protection in ambient temperature lower than during design temperature; be widely applied in northern area air-conditioning system; normally run the winter for combined air-conditioning system and provide a kind of effective operational support means, substantially increase the security reliability of automatic building control system.
; the action of contact in mechanical type " low-temperature switch " in present central air conditioning system application; great majority rely on the gas volume being sealed in " freon " in temperature-sensitive bag to change with temperature variant to realize; this " low-temperature switch " although operating temperature one among a small circle in can regulate; but unit price is higher comparatively speaking; more importantly wherein utilize gases such as " freon " easily to reveal; not only affect the accuracy of switch motion; and can environmental pollution be caused, this is antipathetic with the theory of current environmental protection.
Utility model content
According to above-mentioned problems of the prior art, the utility model provides a kind of low-temperature protection switch utilizing the novelty of thermal expansion metal characteristic.
The technical solution of the utility model is as follows:
A kind of low-temperature protection switch, primarily of bimetal leaf and terminal box composition, bimetal leaf is saltus step formula bimetallic temperature detect switch (TDS), and this bimetallic temperature detect switch (TDS) is wired to terminal box; Bimetal leaf is arranged in the top of a pipeline, pipeline and terminal box affixed.
On the top of pipeline also with pore.
Described pipeline is pvc pipe, the long 1 ~ 2m of pipeline.
A kind of low-temperature protection switch, adopts the low-temperature switch of two types, and primarily of bimetal leaf and terminal box composition, bimetal leaf is saltus step formula bimetallic temperature detect switch (TDS), and this bimetallic temperature detect switch (TDS) is wired to terminal box; Each bimetal leaf is placed in a switch sheath, is connected in series by bimetallic temperature detect switch (TDS) by wire, forms Multi-Switch series loop mode.
The quantity of bimetal leaf is 2-5.
Long 3 ~ the 6m of wire.
This low-temperature protection switch main body is the saltus step formula thermostat (KSD) that closed bimetal leaf is formed.The utility model have be swift in motion, temperature control accurately, control that electric current is large, the feature of long service life.
Accompanying drawing explanation
Fig. 1 is duct type low-temperature protection switch schematic diagram,
Fig. 2 is lead type low-temperature protection switch schematic diagram,
Fig. 3 is low-temperature protection switching circuit figure.
In figure: 1, bimetal leaf, 2, terminal box, 3, wire, 4, pipeline, 5, pore, 6, switch sheath.
Embodiment
The utility model is a kind of low-temperature protection switch used within air-conditioning systems, and its structure is see shown in Fig. 1-Fig. 3.
The utility model low-temperature protection switch, forms primarily of bimetal leaf 1 and terminal box 2.Bimetal leaf 1 is saltus step formula bimetallic temperature detect switch (TDS), and this bimetallic temperature detect switch (TDS) is connected to terminal box 2 by wire 3.The utility model adopts the low-temperature switch of two types, and one is duct type (see Fig. 1), and one is lead type (see Fig. 2).Introduce respectively below:
Duct type low-temperature switch shown in Fig. 1, bimetal leaf 1 is arranged in the top of a pipeline 4, and pipeline 4 is affixed with terminal box 2, on the top of pipeline 4 also with pore 5, makes dut temperature consistent with the temperature that bimetal leaf 1 is responded to.Described pipeline 4 is preferably pvc pipe, the long 1 ~ 2m of pipeline 4.
Lead type low-temperature switch shown in Fig. 2, the quantity of bimetal leaf 1 is determined according to needing the quantity of monitoring point, is 2-5.Each bimetal leaf 1 is placed in a switch sheath 6, is connected in series by bimetallic temperature detect switch (TDS) by wire 3, forms Multi-Switch series loop mode.Long 3 ~ the 6m of wire 3.When the too low and action of bimetallic temperature detect switch (TDS) Yin Wendu arbitrary in series loop, control loop and cut off all completely.
The low-temperature switch principle of above-mentioned two types is identical: when bimetal leaf 1 is embedded in housing, cold during work (heat) amount passes to bimetal leaf 1, its snap action when reaching the set point of bimetal leaf 1, the control circuit load of clean cut-out institute, when temperature rises to reset temperature, bimetal leaf 1 rapid closing again, connects circuit again.As shown in Figure 3, in figure, symbol t represents the on-off action of bimetal leaf 1 to the circuit theory diagrams of this protection switch, and other components and parts are all arranged in terminal box 2.
The main technical schemes that the utility model adopts is:
Utilize the KSD type bimetal leaf of 0 ~ 10 DEG C as temperature detect switch (TDS), may be used for, in AC220V control loop, also may be used in 24V control loop.Its circuit is shown in Fig. 3.Because control circui is same as the prior art, repeat no more in this specification.
The state of checking switch conveniently in actual applications, the utility model can add switch motion indicator light in switching circuit.
Claims (6)
1. a low-temperature protection switch, primarily of bimetal leaf (1) and terminal box (2) composition, it is characterized in that: bimetal leaf (1) is saltus step formula bimetallic temperature detect switch (TDS), this bimetallic temperature detect switch (TDS) is connected to terminal box (2) by wire (3); Bimetal leaf (1) is arranged in the top of a pipeline (4), and pipeline (4) is affixed with terminal box (2).
2. low-temperature protection switch according to claim 1, is characterized in that: on the top of pipeline (4) also with pore (5).
3. low-temperature protection switch according to claim 1 and 2, is characterized in that: described pipeline (4) is pvc pipe, the long 1 ~ 2m of pipeline (4).
4. a low-temperature protection switch, primarily of bimetal leaf (1) and terminal box (2) composition, it is characterized in that: bimetal leaf (1) is saltus step formula bimetallic temperature detect switch (TDS), this bimetallic temperature detect switch (TDS) is connected to terminal box (2) by wire (3); Each bimetal leaf (1) is placed in a switch sheath (6), is connected in series by bimetallic temperature detect switch (TDS) by wire (3), forms Multi-Switch series loop mode.
5. low-temperature protection switch according to claim 4, is characterized in that: the quantity of bimetal leaf (1) is 2-5.
6. the low-temperature protection switch according to claim 4 or 5, is characterized in that: the long 3 ~ 6m of wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154368.3U CN204516682U (en) | 2015-03-19 | 2015-03-19 | low-temperature protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154368.3U CN204516682U (en) | 2015-03-19 | 2015-03-19 | low-temperature protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516682U true CN204516682U (en) | 2015-07-29 |
Family
ID=53714629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520154368.3U Expired - Fee Related CN204516682U (en) | 2015-03-19 | 2015-03-19 | low-temperature protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204273A (en) * | 2020-01-07 | 2020-05-29 | 郑州蓝图土地环境规划设计有限公司 | Detection vehicle for land reclamation project |
-
2015
- 2015-03-19 CN CN201520154368.3U patent/CN204516682U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204273A (en) * | 2020-01-07 | 2020-05-29 | 郑州蓝图土地环境规划设计有限公司 | Detection vehicle for land reclamation project |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 430079, Hubei hi tech Development Zone, Wuhan, East Lake 999, future science and Technology City, A9 District, building 3, 21 floor Patentee after: The integrated incorporated company of Wuhan optical valley Address before: 16, E3 building, building 430070, Optics Valley Software Park, Nanhu Avenue, Wuhan, Hubei Patentee before: The integrated incorporated company of Wuhan optical valley |
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| DD01 | Delivery of document by public notice |
Addressee: The integrated incorporated company of Wuhan optical valley Document name: Notification of Passing Examination on Formalities |
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| DD01 | Delivery of document by public notice |
Addressee: The integrated incorporated company of Wuhan optical valley Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: The integrated incorporated company of Wuhan optical valley Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |