CN208672170U - A kind of hand-held temperature measurer - Google Patents
A kind of hand-held temperature measurer Download PDFInfo
- Publication number
- CN208672170U CN208672170U CN201821318603.6U CN201821318603U CN208672170U CN 208672170 U CN208672170 U CN 208672170U CN 201821318603 U CN201821318603 U CN 201821318603U CN 208672170 U CN208672170 U CN 208672170U
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- China
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- protective case
- measuring head
- temperature
- temperature measuring
- thermometric
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Abstract
The utility model discloses a kind of hand-held temperature measurers, including handle, thermometric bar, instrument board and protective case；The handle is connected to the bottom end of thermometric bar, the top of the thermometric bar is equipped with temperature measuring head, thermometric bar top is provided with positioning protrusion, the positioning protrusion is set to the lower section of temperature measuring head, the protective case covers at the outside of temperature measuring head, and press and connect with positioning protrusion, the instrument board is connected to the lower part of thermometric bar, and is set to the top of handle.A kind of hand-held temperature measurer described in the utility model, can be avoided destruction of the water flow to temperature sensor, facilitate the measurement for carrying out temperature and record.
Description
Technical field
The utility model relates to a kind of temperature measuring equipments more particularly to a kind of for measuring the hand-held temperature measurer of working fluid
Background technique
With the development of science and technology, existing temperature measuring equipment is varied, working principle is also different.Common
Temperature measuring equipment has mercury thermo detector, infrared thermometry meter and the instrument that thermometric is carried out using temperature sensor；Mercury thermo detector is normal
For measuring human body temperature, infrared thermometry meter and using temperature sensor carry out the instrument of thermometric due to its be quick on the draw it is common
In industrial thermometric.But be difficult to measure the temperature of working fluid for infrared thermometry meter, and utilize temperature sensor into
The instrument of row thermometric needs to immerse temperature sensor to object under test, for the liquid of flowing, due to the shadow of water flow
It rings, often will lead to the damage of sensor.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of hand-held temperature measurer, with
Water flow is avoided to the destruction of temperature sensor, facilitates the measurement for carrying out temperature and record.
Technical solution: to achieve the above object, a kind of hand-held temperature measurer of the utility model, including handle, thermometric bar, instrument
Dial plate and protective case；The handle is connected to the bottom end of thermometric bar, and the top of the thermometric bar is equipped with temperature measuring head, the thermometric bar
Top is provided with positioning protrusion, and the positioning protrusion is set to the lower section of temperature measuring head, and the protective case covers at the outside of temperature measuring head,
And press and connect with positioning protrusion, the instrument board is connected to the lower part of thermometric bar, and is set to the top of handle.
Further, the temperature measuring head includes temperature sensor, Heat Conduction Material and thermometric casing；The Heat Conduction Material packet
It is overlying on the outside of temperature sensor, the thermometric casing is coated on outside Heat Conduction Material.
Further, the protective case includes water inlet pipe, outlet pipe and protective case ontology；The protective case ontology is hollow type cavity
Structure, and to opening is had, the protective case ontology covers at the outside of the temperature measuring head, and the water inlet pipe and protective case ontology hang down
Straight setting, the outlet pipe tilt connect with protective case ontology upwards；It intakes in tube cavity, water outlet tube cavity and the protective case ontology
Chamber communicates.
Further, between the outlet pipe and protective case ontology folded acute angle less than 60 °.
Further, the water inlet of the water inlet pipe is funnel-shaped.
Further, the cross-sectional area of the water inlet tube cavity is greater than the cross-sectional area of water outlet tube cavity.
Further, there are gaps between the protective case ontology and temperature measuring head.
The beneficial effects of the utility model are as described below: a kind of hand-held temperature measurer is provided with protective case, temperature measuring head is set to
Inside protective case, water inlet pipe and outlet pipe are provided on the protective case, the liquid of flowing is by water inlet pipe into outlet pipe outflow can
Water velocity is avoided to damage temperature measuring head, since water inlet tube cavity is greater than water outlet tube cavity, so that the stream of quantity of fluid to be measured
Speed slows down out, can guarantee that testing liquid comes into full contact with temperature measuring head, guarantee the accuracy of measurement result.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model；
Attached drawing 2 is the Structure explosion diagram of the utility model；
Attached drawing 3 is the structural schematic diagram of protective case described in the utility model；
Attached drawing 4 is the cross-sectional view of temperature measuring head described in the utility model；
Attached drawing 5 is the temperature-measurement principle figure of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
A kind of hand-held temperature measurer as described in attached drawing 1 to 5, including handle 1, thermometric bar 2, instrument board 3 and protective case 4；It is described
Handle 1 is connected to the bottom end of thermometric bar 2, and the top of the thermometric bar 2 is equipped with temperature measuring head 201,2 top of the thermometric bar setting
There is positioning protrusion 202, the positioning protrusion 202 is set to the lower section of temperature measuring head 201, and the protective case 4 covers at temperature measuring head 201
Outside, and with positioning protrusion 202 press connection complete positioning, and by bolt completion protective case 4 and temperature measuring head fixation, it is described
Instrument board 3 is connected to the lower part of thermometric bar 2, and is set to the top of handle 1, and the instrument board 3 should work as measurement close to handle 1
When, one hand of operator holds handle, and another hand completes the operation on instrument board 3.3 back of instrument board is provided with spiral shell
Pit, be arranged on the thermometric bar 2 it is several have connecting flange 206, several connecting flanges 206 can move up and down, so that instrument
Position of the dial plate 3 on thermometric bar 2 is adjustable, and the connecting flange 206 and instrument board 3 are fixed by bolt, the instrument
Temperature element is provided in disk 3.
The temperature measuring head 201 includes temperature sensor 203, Heat Conduction Material 204 and thermometric casing 205；The heat conduction material
Material 204 is coated on the outside of temperature sensor 203, and the thermometric casing 205 is coated on outside Heat Conduction Material 204.In this reality
It applies temperature sensor 203 described in example and uses PT100 temperature sensors of high precision.
The protective case 4 includes water inlet pipe 401, outlet pipe 402 and protective case ontology 403；The protective case ontology 403 is hollow type
Cavity body structure, and to opening is had, the protective case ontology 403 covers at the outside of the temperature measuring head 201, the water inlet pipe
401 are vertically arranged with protective case ontology 403, and inclination is connect the outlet pipe 402 with protective case ontology 403 upwards；In water inlet pipe 401
Chamber, 402 inner cavity of outlet pipe and 403 inner cavity of protective case ontology communicate.Working fluid to be measured is by water inlet pipe 401 by going out
Water pipe 402 goes out.
Folded acute angle is less than 60 ° between the outlet pipe 402 and protective case ontology 403.
The water inlet of the water inlet pipe 401 is funnel-shaped, guarantees that liquid to be measured is easy to enter shield by water inlet pipe 401
The inner cavity of shell ontology 403 is contacted with temperature measuring head 201.
In order to enable quantity of fluid short stay to be measured in protective case ontology 403, make the transversal of 401 inner cavity of water inlet pipe
Area is greater than the cross-sectional area of 402 inner cavity of outlet pipe.
There are gap between the protective case ontology 403 and temperature measuring head 201, the liquid flowed into protective case ontology 403 is of short duration to stop
It stays in the gap between temperature measuring head 201 and protective case ontology 403.
The temperature element includes reference voltage, precision AD sample circuit, AD amplification treatment circuit, compensation circuit, biasing
Circuit, single-chip microcontroller, rechargeable battery, display screen and key；The reference voltage and the signal of PT100 temperature sensors of high precision are defeated
Outlet is connect with the signal input part signal of precision AD sample circuit, and the signal output end of the precision AD sample circuit is put with AD
The signal input part signal connection of big processing circuit, the signal output end of the AD amplification treatment circuit and the signal of single-chip microcontroller are defeated
Enter end signal connection, the signal output end of the single-chip microcontroller and the signal input part signal of biasing circuit connect, the biased electrical
The signal output end on road and the signal input part signal of compensation circuit connect, the signal output end and precision AD of the compensation circuit
The signal input part signal of sample circuit connects, and the rechargeable battery and single-chip microcontroller are electrically connected, the signal output of the key
End is connect with the signal input part signal of single-chip microcontroller, the signal output end of the single-chip microcontroller and the signal input part signal of display screen
Connection.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of hand-held temperature measurer, it is characterised in that: including handle (1), thermometric bar (2), instrument board (3) and protective case (4)；It is described
Handle (1) is connected to the bottom end of thermometric bar (2), and the top of the thermometric bar (2) is equipped with temperature measuring head (201), the thermometric bar
(2) top is provided with positioning protrusion (202), and the positioning protrusion (202) is set to the lower section of temperature measuring head (201), the protective case
(4) outside of temperature measuring head (201) is covered at, and presses and connects with positioning protrusion (202), the instrument board (3) is connected to thermometric
The lower part of bar (2), and it is set to the top of handle (1)；
The protective case (4) includes water inlet pipe (401), outlet pipe (402) and protective case ontology (403)；The protective case ontology (403) is
Hollow type cavity body structure, and to opening is had, the protective case ontology (403) covers at the outside of the temperature measuring head (201), institute
It states water inlet pipe (401) to be vertically arranged with protective case ontology (403), inclination connects the outlet pipe (402) with protective case ontology (403) upwards
It connects；Water inlet pipe (401) inner cavity, outlet pipe (402) inner cavity and the protective case ontology (403) inner cavity communicate, the water inlet pipe (401)
Water inlet it is funnel-shaped.
2. a kind of hand-held temperature measurer according to claim 1, it is characterised in that: the temperature measuring head (201) includes that temperature passes
Sensor (203), Heat Conduction Material (204) and thermometric casing (205)；The Heat Conduction Material (204) is coated on temperature sensor
(203) outside, it is external that the thermometric casing (205) is coated on Heat Conduction Material (204).
3. a kind of hand-held temperature measurer according to claim 1, it is characterised in that: the outlet pipe (402) and protective case ontology
(403) folded acute angle is less than 60 ° between.
4. a kind of hand-held temperature measurer according to claim 1, it is characterised in that: water inlet pipe (401) inner cavity it is transversal
Area is greater than the cross-sectional area of outlet pipe (402) inner cavity.
5. a kind of hand-held temperature measurer according to claim 1, it is characterised in that: the protective case ontology (403) and temperature measuring head
(201) there are gaps between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318603.6U CN208672170U (en) | 2018-08-16 | 2018-08-16 | A kind of hand-held temperature measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318603.6U CN208672170U (en) | 2018-08-16 | 2018-08-16 | A kind of hand-held temperature measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672170U true CN208672170U (en) | 2019-03-29 |
Family
ID=65837034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821318603.6U Active CN208672170U (en) | 2018-08-16 | 2018-08-16 | A kind of hand-held temperature measurer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106300A (en) * | 2019-06-19 | 2019-08-09 | 青岛众志测控技术有限公司 | A kind of cooling water temperature measurer |
-
2018
- 2018-08-16 CN CN201821318603.6U patent/CN208672170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106300A (en) * | 2019-06-19 | 2019-08-09 | 青岛众志测控技术有限公司 | A kind of cooling water temperature measurer |
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