CN207529877U - overheat alarm - Google Patents
overheat alarm Download PDFInfo
- Publication number
- CN207529877U CN207529877U CN201721530954.9U CN201721530954U CN207529877U CN 207529877 U CN207529877 U CN 207529877U CN 201721530954 U CN201721530954 U CN 201721530954U CN 207529877 U CN207529877 U CN 207529877U
- Authority
- CN
- China
- Prior art keywords
- conducting block
- thermal expansion
- piece
- warning device
- conductive sheet
- 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 discloses a kind of overheat alarms, and including thermally expansive contactor and warning device, the circuit of warning device is electrically connected with thermally expansive contactor；Thermally expansive contactor includes conducting block, conductive sheet, temperature conducting block and thermal expansion piece, temperature conducting block is fixedly mounted on thermometric face, oblique cutting slot is provided on temperature conducting block, the fixing end of thermal expansion piece is fixed in oblique cutting slot, conductive sheet is fixedly connected with the free end of thermal expansion piece, conducting block is fixed on thermometric face and positioned at the lower section of conductive sheet, thermal expansion piece includes lower metal piece and upper strata sheet metal, the upper side of lower metal piece is fixedly connected with the downside of upper strata sheet metal, and the coefficient of thermal expansion of lower metal piece is less than the coefficient of thermal expansion of upper strata sheet metal.The utility model in the circuit of warning device by installing thermally expansive contactor so that it can be not turned under low-temperature condition, warning device does not work；It is connected at high operating temperatures, warning device conducting sends out alarm.
Description
Technical field
The utility model is related to temperature detection field more particularly to a kind of overheat alarms.
Background technology
General electronic equipment is being carried out in use, can all generate certain heat, if heat can not disperse in time,
The influence of any may be caused to electronic equipment.Therefore it on the shell of certain electronic equipments, needs that temperature-detecting device is installed,
When its temperature is too high to radiate in time, temperature-detecting device is needed to send out alarm and reminding.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of overheat alarm.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of overheat alarm, including thermally expansive contactor and warning device, the thermally expansive contactor is mounted on
On thermometric face, the circuit of the warning device is electrically connected with the thermally expansive contactor；
The thermally expansive contactor includes conducting block, conductive sheet, temperature conducting block and thermal expansion piece, and the temperature conducting block fixes peace
On the thermometric face, oblique cutting slot is provided on the temperature conducting block, the fixing end of the thermal expansion piece is fixed on the oblique cutting
In slot, the conductive sheet is fixedly connected with the free end of the thermal expansion piece, and the conducting block is fixed at the thermometric face
Lower section upper and positioned at the conductive sheet, the conducting block and the conductive sheet are electrically connected respectively with the warning device；
The thermal expansion piece include lower metal piece and upper strata sheet metal, the upper side of the lower metal piece and it is described on
The downside of layer sheet metal is fixedly connected, and the coefficient of thermal expansion of the lower metal piece is less than the thermal expansion of the upper strata sheet metal
Coefficient.
Specifically, the temperature conducting block is fixedly connected by screw with the thermometric face, the temperature conducting block with the thermometric
Heat conductive rubber is provided between face.
Specifically, the conducting block is fixedly connected by thermal insulation board with the thermometric face.
Specifically, it is fixed and connected by spring between the downside of the free end of the conductive sheet and the lower metal piece
It connects.
The beneficial effects of the utility model are：
A kind of overheat alarm of the utility model makes it by installing thermally expansive contactor in the circuit of warning device
It can be not turned under low-temperature condition, warning device does not work；It is connected at high operating temperatures, warning device conducting sends out alarm.
Description of the drawings
Fig. 1 is the structure diagram of overheat alarm described in the utility model, is low-temperature condition in figure；
Fig. 2 is the structure diagram of overheat alarm described in the utility model, is the condition of high temperature in figure.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, a kind of overheat alarm of the utility model, including thermally expansive contactor and warning device,
Thermally expansive contactor is mounted on thermometric face 1, and the circuit of warning device is electrically connected with thermally expansive contactor；
Thermally expansive contactor includes conducting block 6, conductive sheet 5, temperature conducting block 2 and thermal expansion piece, and temperature conducting block 2 is fixedly mounted on
On thermometric face 1, oblique cutting slot is provided on temperature conducting block 2, the fixing end of thermal expansion piece is fixed in oblique cutting slot, and conductive sheet 5 and heat are swollen
The free end of swollen is fixedly connected, and conducting block 6 is fixed on thermometric face 1 and positioned at the lower section of conductive sheet 5,6 He of conducting block
Conductive sheet 5 is electrically connected respectively with warning device；Thermal expansion piece includes lower metal piece 3 and upper strata sheet metal 4, lower metal piece 3
Upper side be fixedly connected with the downside of upper strata sheet metal 4, the coefficient of thermal expansion of lower metal piece 3 is less than upper strata sheet metal 4
Coefficient of thermal expansion.
Temperature conducting block 2 is fixedly connected by screw 9 with thermometric face 1, and temperature conducting block 2 is provided with heat conduction rubber between thermometric face 1
Glue 8.Conducting block 6 is fixedly connected by thermal insulation board 7 with thermometric face 1.Conductive sheet 5 and the downside of the free end of lower metal piece 3
Between be fixedly connected by spring 10.
A kind of operation principle of overheat alarm of the utility model is as follows：
Conductive sheet 5 and conducting block 6 are connected in the circuit of warning device, when it is not contacted, warning device is not turned on,
Alarm is not sent out.When it is contacted, warning device conducting sends out alarm.
By temperature conducting block 2 and heat conductive rubber 8 by the temperature conduction in thermometric face 1 to thermal expansion on piece, because thermal expansion piece
The coefficient of thermal expansion of upper strata sheet metal 4 and lower metal piece 3 is inconsistent, therefore when the temperature is excessively high, then will appear upper strata metal
The expansion ratio of piece 4 is more than the expansion ratio of lower metal piece 3, therefore will appear flexuosity as shown in Figure 2, thus by conductive sheet
5 and conducting block 6 contact, realize conducting alarm.
By adding spring 10 between conductive sheet 5 and lower metal piece 3, connecing for conductive sheet 5 and conducting block 6 can be promoted
Performance is touched, it is avoided the situation of loose contact occur.
The technical solution of the utility model is not limited to the limitation of above-mentioned specific embodiment, every skill according to the present utility model
The technology deformation that art scheme is made, each falls within the scope of protection of the utility model.
Claims (4)
1. a kind of overheat alarm, it is characterised in that：Including thermally expansive contactor and warning device, the thermally expansive contact
Device is mounted on thermometric face, and the circuit of the warning device is electrically connected with the thermally expansive contactor；
The thermally expansive contactor includes conducting block, conductive sheet, temperature conducting block and thermal expansion piece, and the temperature conducting block is fixedly mounted on
On the thermometric face, oblique cutting slot is provided on the temperature conducting block, the fixing end of the thermal expansion piece is fixed in the oblique cutting slot,
The conductive sheet is fixedly connected with the free end of the thermal expansion piece, and the conducting block is fixed on the thermometric face and position
In the lower section of the conductive sheet, the conducting block and the conductive sheet are electrically connected respectively with the warning device；
The thermal expansion piece includes lower metal piece and upper strata sheet metal, the upper side of the lower metal piece and upper strata gold
The downside for belonging to piece is fixedly connected, and the coefficient of thermal expansion of the lower metal piece is less than the thermal expansion system of the upper strata sheet metal
Number.
2. overheat alarm according to claim 1, it is characterised in that：The temperature conducting block passes through screw and the thermometric face
It is fixedly connected, the temperature conducting block is provided with heat conductive rubber between the thermometric face.
3. overheat alarm according to claim 1, it is characterised in that：The conducting block passes through thermal insulation board and the thermometric
Face is fixedly connected.
4. overheat alarm according to claim 1, it is characterised in that：Oneself of the conductive sheet and the lower metal piece
By being fixedly connected between the downside held by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530954.9U CN207529877U (en) | 2017-11-14 | 2017-11-14 | overheat alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530954.9U CN207529877U (en) | 2017-11-14 | 2017-11-14 | overheat alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529877U true CN207529877U (en) | 2018-06-22 |
Family
ID=62582553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721530954.9U Expired - Fee Related CN207529877U (en) | 2017-11-14 | 2017-11-14 | overheat alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342351A (en) * | 2020-04-09 | 2020-06-26 | 杭州千耘贸易有限公司 | Block terminal extinguishing device based on electromagnetic induction principle |
| CN117490868A (en) * | 2023-12-29 | 2024-02-02 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
-
2017
- 2017-11-14 CN CN201721530954.9U patent/CN207529877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342351A (en) * | 2020-04-09 | 2020-06-26 | 杭州千耘贸易有限公司 | Block terminal extinguishing device based on electromagnetic induction principle |
| CN117490868A (en) * | 2023-12-29 | 2024-02-02 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
| CN117490868B (en) * | 2023-12-29 | 2024-03-22 | 杭州杭叉桥箱有限公司 | Multi-point temperature real-time detection system for forklift brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181114 |