CN203772444U - Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances - Google Patents
Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances Download PDFInfo
- Publication number
- CN203772444U CN203772444U CN201420177705.6U CN201420177705U CN203772444U CN 203772444 U CN203772444 U CN 203772444U CN 201420177705 U CN201420177705 U CN 201420177705U CN 203772444 U CN203772444 U CN 203772444U
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- China
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- signal line
- stainless steel
- liquid level
- level signal
- steel casing
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Abstract
The utility model relates to an energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances. The temperature sensor comprises a thermistor, a stainless steel shell with a sealing end, a temperature signal line and a liquid level signal line. The thermistor is arranged on the sealing end of the stainless steel shell. One end of the temperature signal line is connected with the thermistor and fixed in the stainless steel shell by epoxy resin. The temperature sensor is characterized in that the opening side of the stainless steel shell is provided with an integral connecting sheet. One end of the liquid level signal line is connected with the connecting sheet, and the other end of the liquid level signal line and the other end of the temperature signal line are respectively connected with a terminal joint. The terminal joint is provided with a temperature signal jack and a liquid level signal jack. The liquid level signal line is directly fixed to the stainless steel shell so that assembling efficiency is enhanced and reliability of liquid level signal transmission is enhanced.
Description
Technical field
The utility model relates to a kind of energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor, belongs to temperature sensor technical field.
Background technology
For detecting the heating-up temperature of soya-bean milk, conventionally temperature sensor is arranged on the body of soy bean milk making machine and is inserted in cup and contact with liquid.Temperature sensor mainly by thermistor, play induction and the stainless steel casing of protective effect and the temperature signal line of unofficial biography signal and liquid level signal line and form; thermistor is arranged in metal shell to respond to the variation of water temperature; thermistor is passed to the resistance that changes resistance on control circuit board; realizing temperature controls; by liquid level signal line, liquid level signal is delivered on control circuit board simultaneously; when liquid level lower than temperature sensor bottom, output signal prevents dry combustion method.But current temperature signal line and liquid level signal wire bonding connect at control circuit board, and not only installation effectiveness is low, nor be convenient to maintenance.
Although the part that two wire one end of the temperature sensor of existing structure are connected with thermistor can be fixed in stainless steel casing by epoxy resin, connect more firm, but liquid level signal line is to be welded on stainless steel casing by bag contact pin, but bag contact pin size is less, conventionally can only bag contact pin be welded on the inwall of stainless steel casing by spot welding, again liquid level signal wire bonding is being wrapped in contact pin, therefore wrapping contact pin has rosin joint phenomenon, in addition the core of liquid level signal line is thinner, and liquid level signal line is smaller with the tie point of bag contact pin, easily cause liquid level signal line to be connected with stainless steel casing insecure, and affect the output of liquid level signal.
Summary of the invention
The purpose of this utility model is to provide a kind of energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor that can improve assembling effect and liquid level signal output reliability.
The utility model is that the technical scheme achieving the above object is: a kind of energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor, comprise thermistor, stainless steel casing and temperature signal line and the liquid level signal line with sealed end, described thermistor is arranged on the sealed end of stainless steel casing, one end of temperature signal line is connected with thermistor and is fixed in stainless steel casing with epoxy resin, it is characterized in that: opening one side of described stainless steel casing has the contact pin of one, one end of liquid level signal line is connected with contact pin, the other end of the other end of liquid level signal line and temperature signal line is connected on clamped nipple, on clamped nipple, be respectively equipped with temperature signal jack and liquid level signal jack.
The utility model is arranged on thermistor the sealed end of stainless steel casing, its temperature signal line is connected with thermistor and is fixed in stainless steel casing with epoxy resin, make the head of temperature sensor be close to testee, can keep the high and reaction velocity of high measurement accuracy, especially stainless steel casing is provided with after the contact pin of one, can reduce welding sequence one time, not only improved efficiency of assembling, also improve the reliability that liquid level signal line is connected with stainless steel casing, and improved the reliability that liquid level signal detects.Temperature signal line of the present utility model and liquid level signal line are all connected to clamped nipple, be provided with jack facilitate control circuit board can adopt inserting mode to connect by clamped nipple, can realize Fast Installation.The utility model is provided with through hole in the contact pin of stainless steel casing, therefore one end of energy liquid level signal line is through on the through hole of contact pin, weld again with contact pin and fix, owing to increasing the contact area of liquid level signal line and contact pin, so also increase bonding area, can further improve the reliability that liquid level signal line is connected with stainless steel casing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is the structural representation of NTC temperature sensor for the utility model energy-saving prevention dry combustion method type household electrical appliances.
Fig. 2 is that the utility model thermistor and temperature signal line are arranged on the structural representation in stainless steel casing.
Wherein: 1-stainless steel casing, 1-1-shaft shoulder, 1-2-contact pin, 2-heat-shrink tube, 3-O RunddichtringO, 4-liquid level signal line, 5-bearing seat, 6-temperature signal line, 7-clamped nipple, 8-rubber sleeve, 9-O-ring seal, 10-oiliness bearing, 11-thermistor, 12-epoxy resin.
Embodiment
See shown in Fig. 1,2, energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor of the present utility model, comprise thermistor 11, there is stainless steel casing 1 and temperature signal line 6 and the liquid level signal line 4 of sealed end, thermistor 11 of the present utility model is arranged on the sealed end of stainless steel casing 1, one end of temperature signal line 6 is connected with thermistor 11 and uses epoxy resin 12 to be fixed in stainless steel casing 1, by the variation of thermistor 11 induction soya-bean milk temperature, and the resistance that changes resistance is passed on control circuit board.See shown in Fig. 1,2, opening one side of the utility model stainless steel casing 1 has the contact pin 1-2 of one, and one end of liquid level signal line 4 is connected with contact pin 1-2, can reduce welding sequence one time, improves efficiency of assembling, and liquid level signal line is directly connected with stainless steel casing.The contact pin 1-2 of the utility model stainless steel casing 1 is provided with through hole, one end of liquid level signal line 4 is through in through hole and is welded and fixed, can further improve liquid level signal line 4 and stainless steel casing 1 connection reliability, liquid level signal line 4 is established heat-shrink tube 2 with the contact pin 1-2 junction of stainless steel casing 1.
As shown in Figure 1, the other end of the utility model liquid level signal line 4 and the other end of temperature signal line 6 are connected on clamped nipple 7, on clamped nipple 7, be respectively equipped with temperature signal jack and liquid level signal jack, temperature sensor can directly be plugged on control circuit board and be connected with control circuit board, the periphery of the utility model clamped nipple 7 has two elasticity card bases, the convenient installation and removal to clamped nipple 7.
As shown in Figure 1, the utility model stainless steel casing 1 is through in the mounting hole of bearing seat 5, O RunddichtringO 3 is enclosed within on stainless steel casing 1, shaft shoulder 1-1 on stainless steel casing 1 is pressed in by O RunddichtringO 3 in the end face or mounting hole of mounting hole of bearing seat 5, and temperature sensor is sealed on bearing seat 5.As shown in Figure 1, the utility model bearing seat 5 is provided with bearing mounting hole, oiliness bearing 10 is arranged on rubber sleeve 8, at least two O-ring seals 9 are enclosed within the periphery of rubber sleeve 8 and are arranged in the bearing mounting hole of bearing seat 5, can make bearing assembly and bearing seat 5 realize positiver sealing, the utility model bearing seat 5 is provided with to install on conical surface bearing seat 5 has the installation conical surface, is convenient to user installation.
Claims (4)
1. an energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor, comprise thermistor (11), stainless steel casing (1) and temperature signal line (6) and the liquid level signal line (4) with sealed end, described thermistor (11) is arranged on the sealed end of stainless steel casing (1), one end of temperature signal line (6) is connected with thermistor (11) and uses epoxy resin (12) to be fixed in stainless steel casing (1), it is characterized in that: opening one side of described stainless steel casing (1) has the contact pin (1-2) of one, one end of liquid level signal line (4) is connected with contact pin (1-2), the other end of the other end of liquid level signal line (4) and temperature signal line (6) is connected on clamped nipple (7), on clamped nipple (7), be respectively equipped with temperature signal jack and liquid level signal jack.
2. energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor according to claim 1, it is characterized in that: the contact pin (1-2) of described stainless steel casing (1) is provided with through hole, one end of liquid level signal line (4) is through in contact pin (1-2) through hole and is welded and fixed, and liquid level signal line (4) is established heat-shrink tube (2) with contact pin (1-2) junction of stainless steel casing (1).
3. energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor according to claim 1, it is characterized in that: described stainless steel casing (1) is through in the mounting hole of bearing seat (5), it is upper that O RunddichtringO (3) is enclosed within stainless steel casing (1), and the shaft shoulder (1-1) on stainless steel casing (1) is pressed in by O RunddichtringO (3) in the end face or mounting hole of mounting hole of bearing seat (5).
4. energy-saving prevention dry combustion method type household electrical appliances NTC temperature sensor according to claim 3, it is characterized in that: described bearing seat (5) is provided with bearing mounting hole, oiliness bearing (10) is arranged on rubber sleeve (8), at least two O-ring seals (9) are enclosed within the periphery of rubber sleeve (8) and are arranged in the bearing mounting hole of bearing seat (5), and bearing seat (5) is provided with the installation conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177705.6U CN203772444U (en) | 2014-04-11 | 2014-04-11 | Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177705.6U CN203772444U (en) | 2014-04-11 | 2014-04-11 | Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772444U true CN203772444U (en) | 2014-08-13 |
Family
ID=51289622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420177705.6U Expired - Fee Related CN203772444U (en) | 2014-04-11 | 2014-04-11 | Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254097A (en) * | 2016-12-28 | 2018-07-06 | 福州斯狄渢混合能源有限公司 | Temperature-liquid level sensor and sensor fixing structure |
-
2014
- 2014-04-11 CN CN201420177705.6U patent/CN203772444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254097A (en) * | 2016-12-28 | 2018-07-06 | 福州斯狄渢混合能源有限公司 | Temperature-liquid level sensor and sensor fixing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140813 Termination date: 20160411 |