CN207163561U - A kind of weight sensor with temperature sensing - Google Patents
A kind of weight sensor with temperature sensing Download PDFInfo
- Publication number
- CN207163561U CN207163561U CN201721080443.1U CN201721080443U CN207163561U CN 207163561 U CN207163561 U CN 207163561U CN 201721080443 U CN201721080443 U CN 201721080443U CN 207163561 U CN207163561 U CN 207163561U
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- sensor
- main body
- temperature
- sensor main
- weight sensor
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
It the utility model is related to a kind of weight sensor with temperature sensing.The technical solution of the utility model is：The weight sensor includes sensor main body, bridge circuit and temperature sensor, and the sensor main body is rectangle elastomer, and the bridge circuit and temperature sensor are respectively provided on sensor main body, and the bridge circuit is made up of resistance strain gage.The utility model purpose is to provide one kind by being provided with temperature sensor on weight sensor, and weight sensor with temperature sensing of the amendment weight sensor because of deviation caused by temperature influence is calculated by the temperature data detected.
Description
Technical field
It the utility model is related to a kind of weight sensor with temperature sensing.
Background technology
Weight sensor is mainly made up of the part such as sensing element, inverting element and measuring cell, wherein, sensing element is used
In directly being experienced the weight of testee and export the other amounts related to its quality;Inverting element is used for sensitive member
The output quantity of part is transformed to certain and easily surveys signal;Measuring cell is used to the easy survey signal of inverting element output being converted to telecommunications
Number.
Weight sensor principle is told about by taking resistance-strain type weight sensor as an example.In resistance-strain type weight sensor
In, sensing element is elastomer, and measuring cell is bridge circuit, and its operation principle is so：By testee gravity shadow
Ringing elastomer and produce deformation, elastomer deformation causes resistance strain gage to deform upon and then is converted into the change of resistance,
The change of resistance is converted into electric signal through bridge circuit, so far, just completes the mistake that the weight of object is changed into electric signal
Journey.
But when being used in this weight sensor on culinary art small household appliances, small household appliances are during culinary art, heating
Disk can produce higher temperature, and when on this temperature radiation to weight sensor, its temperature can cause elastomer to make an exception
Deformation, the weight data for causing to detect has serious deviation, therefore, how to solve influence of the temperature to weight sensor
It is the technical barrier of current urgent need to resolve.
Utility model content
The purpose of this utility model is to provide one kind by being provided with temperature sensor on weight sensor, by detecting
Temperature data come calculate amendment weight sensor because temperature influence caused by deviation the weight sensor with temperature sensing.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of weight sensor with temperature sensing, it is characterised in that：The weight sensor includes sensor main body, electricity
Bridge circuit and temperature sensor, the sensor main body are rectangle elastomer, bridge circuit and the temperature sensor difference
It is located on sensor main body, the bridge circuit is made up of resistance strain gage.
Using the weight sensor of the technical scheme, because bridge circuit and temperature sensor are respectively provided at sensor main body
On, bridge circuit is made up of resistance strain gage, when the sensor main body of rectangle elastomer is being acted on by extraneous weight,
Sensor main, which is known from experience, produces deformation, and resistance-strain sector-meeting is with deformation and then is converted into the change of resistance, passes through electric bridge
The change of resistance is converted to electric signal by circuit, and so as to complete the process that weight is converted to electric signal, and temperature sensor can
With the temperature information in detection sensor main body at any time, by default calculating, temperature is influenceed into the inclined of electrical signal data acquisition
Difference is constantly corrected, so as to ensure that electric signal is corresponding with actual weight accurate.
As improved technology scheme of the present utility model：
The weight sensor also includes deformation hole, and the deformation hole horizontal runs through sensor main body, and it exists through position
Elastic thin-wall is formed on sensor main body.
The deformation hole that weight sensor is provided with, because it through position forms elastic thin-wall on sensor main body, work as biography
When sensor main body produces deformation, because the presence in deformation hole make it that its deformation quantity is bigger, bigger deformation quantity can promote
The resistance data of each deformation process are more, can make it that the electric signal that finally obtains is more accurate.
Improved technology scheme as deformation hole of the present utility model：
The deformation hole is two intersecting circular holes.
Deformation hole is two intersecting circular holes, can make it that deformation hole is more stable in structure so that final acquisition
Electric signal it is more accurate.
As improved technology scheme of the present utility model：
Two groups of bridge circuits of distribution symmetrical above and below are connected with the elastic thin-wall.
Two groups of bridge circuits of distribution symmetrical above and below are connected with elastic thin-wall, and bridge circuit is by resistance strain gage group
Into during elastic thin-wall deformation, the resistance strain gage of top is in extended state, and the resistance strain gage of lower section is in pressure
Contracting state, two kinds of different states can provide more amendment data for the change of resistance signal, so that most
Whole electric signal is more accurate.
As improved technology scheme of the present utility model：
The temperature sensor is located in the side wall of sensor main body.
The temperature sensor being located in the side wall of sensor main body, the sensor main body that can be in contact with it with direct detection,
So that the temperature information finally detected is more accurate.
As improved technology scheme of the present utility model：
Load-bearing boss and support rim are additionally provided with the sensor main body, the load-bearing boss is located at sensor main body one
On the upper surface at end, the support rim is located on the lower surface of the sensor main body other end.
Load-bearing boss and support rim on sensor main body, the space of cut-off can be provided for sensor main body, for electricity
The setting of bridge circuit provides accommodated position, and the up-down structure for avoiding being connected with sensor main body is urged to bridge circuit, causes electricity
The acceleration damage of bridge circuit；Avoid and be compressed to elastic thin-wall, cause deformation error.Load-bearing boss and support rim difference simultaneously
The both ends of sensor main body are located at, the concentration application point and supporting role point of weight can be provided, the weight can be caused to sense
The use process of device is highly efficient.
As improved technology scheme of the present utility model：
Some screws are additionally provided with the sensor main body.
Some screws being additionally provided with sensor main body can provide rigging position for the assembling of the weight sensor.
After above-mentioned technology, the utility model has the beneficial effect that：
The temperature information that the setting of temperature sensor can at any time in detection sensor main body on the weight sensor, passes through
Default calculating, the deviation that temperature is influenceed to electrical signal data acquisition is constantly corrected, so as to ensure electric signal and reality
The correspondence of border weight is accurate, so as to reach purpose of the amendment weight sensor because of deviation caused by temperature influence；Shape simultaneously
The setting of variable orifice, the position of bridge circuit can make it that final electric signal is more accurate, load-bearing boss, support rim plus
Enter, the service life of the weight sensor can be extended.
Brief description of the drawings
Fig. 1 is the positive structure diagram of weight sensor of the utility model with temperature sensing；
Fig. 2 is the backsight structural representation of weight sensor of the utility model with temperature sensing.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of weight sensor with temperature sensing, it is characterised in that：The weight sensor bag
Sensor main body 1, bridge circuit 2 and temperature sensor 3 are included, the sensor main body 1 is rectangle elastomer, the electric bridge electricity
Road 2 and temperature sensor 3 are respectively provided on sensor main body 1, and the bridge circuit 2 is made up of resistance strain gage.
Above-mentioned weight sensor also includes deformation hole 4, and the deformation hole 4 is horizontal to run through sensor main body 1, and it runs through position
Elastic thin-wall 41 is formed on sensor main body 1.
Above-mentioned deformation hole 4 is two intersecting circular holes.
Two groups of bridge circuits 2 of distribution symmetrical above and below are connected with above-mentioned elastic thin-wall 41.
Said temperature sensor 3 is located in the side wall of sensor main body 1.
Load-bearing boss 11 and support rim 12 are additionally provided with the sensor main body 1, the load-bearing boss 11 is located at sensing
On the upper surface of the one end of device main body 1, the support rim 12 is located on the lower surface of the other end of sensor main body 1.
Some screws 13 are additionally provided with the sensor main body 1.
Using the weight sensor of the technical scheme, because bridge circuit 2 and temperature sensor 3 are respectively provided at sensor main
On body 1, bridge circuit 2 is made up of resistance strain gage, when the sensor main body 1 of rectangle elastomer is made by extraneous weight
Used time, sensor main body 1 can produce deformation, and resistance-strain sector-meeting is with deformation and then is converted into the change of resistance, lead to
Cross bridge circuit 2 and the change of resistance is converted into electric signal, so as to complete the process that weight is converted to electric signal, and temperature passes
Sensor 3 can at any time in detection sensor main body 1 temperature information, by default calculating, temperature is influenceed into electrical signal data
The deviation of acquisition is constantly corrected, so as to ensure that electric signal is corresponding with actual weight accurate.
The deformation hole 4 that weight sensor is provided with, because it through position forms elastic thin-wall 41 on sensor main body 1,
When sensor main body 1 produces deformation, because the presence in deformation hole 4 make it that its deformation quantity is bigger, bigger deformation quantity can
To promote the resistance data of each deformation process more, it can make it that the electric signal that finally obtains is more accurate.
Deformation hole 4 is two intersecting circular holes, can make it that deformation hole 4 is more stable in structure so that final obtains
The electric signal taken is more accurate.
Two groups of bridge circuits 2 of distribution symmetrical above and below are connected with elastic thin-wall 41, and bridge circuit 2 is by resistance strain gage
Composition, during the deformation of elastic thin-wall 41, the resistance strain gage of top is in extended state, at the resistance strain gage of lower section
In compressive state, two kinds of different states can provide more amendment data for the change of resistance signal, so as to so that
The electric signal obtained finally is more accurate.
The temperature sensor 3 being located in the side wall of sensor main body 1, the sensor main body that can be in contact with it with direct detection
1 so that the temperature information finally detected is more accurate.
Load-bearing boss 11 and support rim 12 on sensor main body 1, can be the sky that sensor main body 1 provides cut-off
Between, accommodated position is provided for the setting of bridge circuit, avoids being urged to bridge circuit with the up-down structure that sensor main body 1 is connected
2, cause the acceleration of bridge circuit 2 to damage；Avoid and be compressed to elastic thin-wall 41, cause deformation error.Load-bearing boss 11 simultaneously
The both ends of sensor main body 1 are respectively provided at support rim 12, the concentration application point and supporting role point of weight can be provided, can
To cause the use process of the weight sensor highly efficient.
Some screws 13 being additionally provided with sensor main body 1 can provide rigging position for the assembling of the weight sensor.
The temperature information that the setting of temperature sensor 3 can at any time in detection sensor main body 1 on the weight sensor, lead to
Cross default calculating, by temperature influence electrical signal data obtain deviation constantly corrected, so as to ensure electric signal and
The correspondence of actual weight is accurate, so as to reach purpose of the amendment weight sensor because of deviation caused by temperature influence；Simultaneously
The setting in deformation hole 4, the position of bridge circuit 2 can make it that final electric signal is more accurate, and load-bearing boss 11, support are convex
The addition of platform 12, the service life of the weight sensor can be extended.
The content of above embodiment is only preferred embodiment of the present utility model, and above preferred embodiment is not used
To limit practical range of the present utility model；It is every made according to the utility model its scope of the claims it is various
Equivalents, by the utility model, its scope of the claims covers.
Claims (7)
- A kind of 1. weight sensor with temperature sensing, it is characterised in that：The weight sensor includes sensor main body, electric bridge Circuit and temperature sensor, the sensor main body are rectangle elastomer, and the bridge circuit and temperature sensor are set respectively On sensor main body, the bridge circuit is made up of resistance strain gage.
- 2. the weight sensor according to claim 1 with temperature sensing, it is characterised in that：The weight sensor also wraps Deformation hole is included, the deformation hole horizontal runs through sensor main body, and it forms elastic thin-wall through position on sensor main body.
- 3. the weight sensor according to claim 2 with temperature sensing, it is characterised in that：The deformation hole is two phases The circular hole of friendship.
- 4. the weight sensor according to claim 2 with temperature sensing, it is characterised in that：Connected on the elastic thin-wall There are two groups of bridge circuits of distribution symmetrical above and below.
- 5. the weight sensor according to claim 1 with temperature sensing, it is characterised in that：The temperature sensor is located at In the side wall of sensor main body.
- 6. the weight sensor according to claim 1 with temperature sensing, it is characterised in that：On the sensor main body also Provided with load-bearing boss and support rim, the load-bearing boss is located on the upper surface of sensor main body one end, the support rim It is located on the lower surface of the sensor main body other end.
- 7. the weight sensor according to claim 1 with temperature sensing, it is characterised in that：On the sensor main body also Provided with some screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080443.1U CN207163561U (en) | 2017-08-28 | 2017-08-28 | A kind of weight sensor with temperature sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080443.1U CN207163561U (en) | 2017-08-28 | 2017-08-28 | A kind of weight sensor with temperature sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163561U true CN207163561U (en) | 2018-03-30 |
Family
ID=61719290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721080443.1U Expired - Fee Related CN207163561U (en) | 2017-08-28 | 2017-08-28 | A kind of weight sensor with temperature sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207163561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494948A (en) * | 2020-03-19 | 2021-10-12 | 株式会社石田 | Weighing sensor unit and weighing device |
-
2017
- 2017-08-28 CN CN201721080443.1U patent/CN207163561U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494948A (en) * | 2020-03-19 | 2021-10-12 | 株式会社石田 | Weighing sensor unit and weighing device |
| CN113494948B (en) * | 2020-03-19 | 2023-02-28 | 株式会社石田 | Weighing sensor unit and weighing device |
| US11808620B2 (en) | 2020-03-19 | 2023-11-07 | Ishida Co., Ltd. | Load cell unit with temperature compensation and weighing equipment including the load cell unit |
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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 |
Granted publication date: 20180330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |