CN214503753U - Temperature influence circuit resistance detection device - Google Patents
Temperature influence circuit resistance detection device Download PDFInfo
- Publication number
- CN214503753U CN214503753U CN202120767972.9U CN202120767972U CN214503753U CN 214503753 U CN214503753 U CN 214503753U CN 202120767972 U CN202120767972 U CN 202120767972U CN 214503753 U CN214503753 U CN 214503753U
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- China
- Prior art keywords
- box
- detection device
- circuit resistance
- resistance detection
- temperature
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- 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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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000000284 resting effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of electronic detection, in particular to a temperature influence circuit resistance detection device, which comprises a box body, a heating plate and a fan, wherein the heating plate is fixedly connected with the inner bottom end of the box body; this kind of temperature influence circuit resistance detection device places the board through being provided with, places the top of board and has seted up the ventilation hole, makes steam can freely circulate in the box inside through the ventilation hole, and then carries out two-sided heating to resistance module, shortens resistance module temperature rise required time, saves the teaching time, improves the teaching effect in classroom.
Description
Technical Field
The utility model relates to an electron detection technology field specifically is a temperature influence circuit resistance detection device.
Background
The resistor is an important electronic device forming an electronic circuit, the function and the characteristics of the resistor need to be recognized in basic teaching of electronic and electrical technology, and knowledge in books is boring and not intuitive enough, so that a beginner can be impressed through practice;
through analysis, the electrical and electronic experimental box disclosed in the current patent application number ZL201920538799.8 can visually reflect the relation between the resistance and the temperature by arranging a series of structures such as a resistance module and the like, and has good teaching effect;
but has the disadvantages that: the resistance module is embedded in the module storage area, so that when the resistance module needs to be replaced, the contact surface between the fingers of a user and the resistance module is small, the resistance module is difficult to take, and the use is inconvenient;
meanwhile, the arrangement of the panel enables only the upper end face of the resistance module to be in contact with hot air blown out by the air blowing device, the temperature rising process of the resistance module is slow, and the teaching time is wasted;
therefore, a novel temperature influence circuit resistance detection device is provided to solve the problems that the resistance module is heated slowly and is inconvenient to take.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature influences circuit resistance detection device to the resistance module who provides is heated slowly and takes inconvenient problem in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a temperature influence circuit resistance detection device, includes box, hot plate and fan, the inside bottom fixedly connected with hot plate of box, the positive intermediate position embedding of box is provided with the fan, and the embedding of the inside top of box is provided with the board of placing of being convenient for to take.
Preferably, the placing plate includes: draw-in groove, resistance module and ventilation hole, the draw-in groove is seted up in the top intermediate position of placing the board, the resistance module embedding sets up in the inside of draw-in groove, the cross section of draw-in groove is "T" font, the vertical board setting of placing that runs through of draw-in groove, the ventilation hole is seted up in the top left and right sides of placing the board.
Preferably, the ventilation hole is a rectangle, and the ventilation hole has all been seted up to the left and right sides of draw-in groove.
Preferably, the case includes: control panel, case lid, rubber stopper and battery, control panel installs in the positive left side of box, the case lid passes through the hinge mount in the top of box, the rubber stopper embedding sets up in the top left and right sides of box, the battery is fixed in the inside lower left corner of box.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of temperature influence circuit resistance detection device places the board through being provided with, places the top of board and has seted up the ventilation hole, makes steam can freely circulate in the box inside through the ventilation hole, and then carries out two-sided heating to resistance module, shortens resistance module temperature rise required time, saves the teaching time, improves the teaching effect in classroom.
2. Secondly, this kind of temperature influence circuit resistance detection device, through being provided with the draw-in groove, the top edge of draw-in groove is provided with the recess that two symmetries set up, inside making user's finger can stretch into the draw-in groove through the recess, and then increase the area of contact of finger and resistance module, convenient to use person changes resistance module.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the placement board of the present invention;
fig. 4 is a cross-sectional view taken along a-a of fig. 2 according to the present invention.
In the figure: the device comprises a box body 1, a control panel 101, a box cover 102, a rubber plug 103, a storage battery 104, a heating plate 2, a fan 3, a placing plate 4, a clamping groove 401, a resistance module 402 and a ventilation hole 403.
Detailed Description
Referring to fig. 1-4, the present embodiment provides a technical solution: the utility model provides a temperature influence circuit resistance detection device, includes box 1, hot plate 2 and fan 3, the inside bottom fixedly connected with hot plate 2 of box 1, the positive intermediate position embedding of box 1 is provided with fan 3, and the embedding of the inside top of box 1 is provided with the board 4 of placing of being convenient for to take.
Further, the placing plate 4 includes: the resistor module comprises a clamping groove 401, a resistor module 402 and ventilation holes 403, wherein the clamping groove 401 is formed in the middle of the top of the placing plate 4, the resistor module 402 is embedded in the clamping groove 401, the cross section of the clamping groove 401 is T-shaped, the clamping groove 401 vertically penetrates through the placing plate 4, and the ventilation holes 403 are formed in the left side and the right side of the top of the placing plate 4;
the resistor module 402 can be limited by the clamping groove 401 at the top of the placing plate 4 to achieve the effect of classified storage, two grooves are respectively formed in the front side and the rear side of the top of the clamping groove 401, and the two grooves are both concave cambered grooves and are communicated with the clamping groove 401;
when the user need take resistance module 402, inside the notch width was two centimeters the recess that the finger can stretch into, increased the area of contact of user's finger with resistance module 402 through the recess for better gripping when the user takes resistance module 402, be convenient for take.
Further, the vent holes 403 are rectangular, and the left and right sides of the card slot 401 are both provided with the vent holes 403.
Further, the case 1 includes: the refrigerator comprises a control panel 101, a refrigerator cover 102, rubber plugs 103 and a storage battery 104, wherein the control panel 101 is installed on the left side of the front face of a refrigerator body 1, the refrigerator cover 102 is installed on the top of the refrigerator body 1 through a hinge, the rubber plugs 103 are embedded into the left side and the right side of the top of the refrigerator body 1, and the storage battery 104 is fixed to the left lower corner of the interior of the refrigerator body 1;
heating through hot plate 2 to the inside resistance module 402 of box 1, setting up and making the inside air convection that produces of box 1 with fan 3 directly in the place ahead of hot plate 2, and through the setting of ventilation hole 403 for resistance module 402's up end and lower terminal surface can be simultaneously with steam contact, the two-sided temperature rise rate that is heated makes resistance module 402 accelerates, can save a large amount of teaching time, improvement classroom teaching effect.
The heating plate 2, the fan 3, the resistance module 402 and the control panel 101 are electrically connected with the storage battery 104, signal receiving ends of the storage battery 104, the heating plate 2, the fan 3 and the resistance module 402 are all in signal connection with a signal transmitting end of the control panel 101, and the control panel 101 is used for combination and programming of other electronic elements of the whole device and is a unit for realizing intelligent control.
The working principle is as follows:
firstly, connecting an external ammeter in parallel with the resistance module 402, connecting an external voltmeter in series with the resistance module 402, then starting the fan 2 and the heating plate 2, heating the resistance module 402, and observing the resistance change of the resistance module 402 after heating;
then, when the resistor module 402 needs to be replaced, a user stretches a finger into the card slot 401, holds the resistor module 402 and takes out the resistor module, and finally, after the replacement is completed, the experiment can be continuously performed on the resistor modules 402 of different types, so that the teaching effect of comparison is achieved.
Claims (4)
1. The utility model provides a temperature influence circuit resistance detection device, includes box (1), hot plate (2) and fan (3), its characterized in that: the heating plate (2) is fixedly connected to the bottom end of the interior of the box body (1), the fan (3) is embedded into the middle position of the front face of the box body (1), and the placing plate (4) which is convenient to take is embedded into the upper portion of the interior of the box body (1).
2. The temperature-affected circuit resistance detection device of claim 1, wherein: the resting plate (4) comprises: the novel resistor comprises a clamping groove (401), a resistor module (402) and ventilation holes (403), wherein the clamping groove (401) is arranged at the middle position of the top of a placing plate (4), the resistor module (402) is embedded in the clamping groove (401), and the ventilation holes (403) are arranged at the left side and the right side of the top of the placing plate (4).
3. The temperature-affected circuit resistance detection device of claim 2, wherein: the vent holes (403) are rectangular through holes.
4. The temperature-affected circuit resistance detection device of claim 1, wherein: the box (1) comprises: control panel (101), case lid (102), rubber stopper (103) and battery (104), control panel (101) are installed in the front left side of box (1), case lid (102) are installed in the top of box (1) through the hinge, rubber stopper (103) embedding sets up in the top left and right sides of box (1), battery (104) are fixed in the inside lower left corner of box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767972.9U CN214503753U (en) | 2021-04-15 | 2021-04-15 | Temperature influence circuit resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767972.9U CN214503753U (en) | 2021-04-15 | 2021-04-15 | Temperature influence circuit resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214503753U true CN214503753U (en) | 2021-10-26 |
Family
ID=78202997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120767972.9U Expired - Fee Related CN214503753U (en) | 2021-04-15 | 2021-04-15 | Temperature influence circuit resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214503753U (en) |
-
2021
- 2021-04-15 CN CN202120767972.9U patent/CN214503753U/en not_active Expired - Fee Related
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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: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |