CN215575262U - Direct current sensor with thermal insulation shell - Google Patents
Direct current sensor with thermal insulation shell Download PDFInfo
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- CN215575262U CN215575262U CN202121536129.6U CN202121536129U CN215575262U CN 215575262 U CN215575262 U CN 215575262U CN 202121536129 U CN202121536129 U CN 202121536129U CN 215575262 U CN215575262 U CN 215575262U
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- fixedly connected
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- direct current
- wall
- current sensor
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- 238000009413 insulation Methods 0.000 title claims abstract description 21
- 238000004321 preservation Methods 0.000 claims description 29
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a direct current sensor with a heat insulation shell, which comprises a base and a fixed rod, wherein the upper surface of the base is fixedly connected with a sensor body, two ends of the fixed rod are fixedly connected with fixed blocks, the upper surface of each fixed block is fixedly connected with the lower surface of the base, the front surface and the back surface of the base are slidably connected with a heat insulation shell, the lower surface of the base is fixedly connected with a driving assembly, and the surface of the fixed rod is provided with a clamping assembly. According to the direct current sensor with the heat insulation shell, the two heat insulation shells are folded by the aid of the pulling force generated by the springs on the fixing block and the heat insulation shells, the sensor body is located in the heat insulation shells, the influence on the sensor body caused by low external temperature is reduced, the sensor body is expanded when heated through the volume thermosensitive material, the inner cylinder is further pushed to slide along the inner wall of the outer cylinder, and therefore the problem that errors are generated in detection results due to temperature changes when the sensor is used by being exposed in air is solved.
Description
Technical Field
The application relates to the technical field of sensors, in particular to a direct current sensor with a heat preservation shell.
Background
The direct current sensor is one kind of current sensor, and is one kind of detection device capable of sensing the information of the current to be detected and converting the sensed information into electric signal meeting certain standard requirement or other information in required form to meet the requirement of information transmission, processing, storage, display, record, control, etc.
When the existing direct current sensor is used, the existing direct current sensor is directly exposed in the air, and the continuous change of the external temperature can influence the detection result of the direct current sensor, so that the detection result generates errors, and the requirements of a user cannot be met.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a dc sensor with a thermal insulation housing to solve the above problems.
The embodiment of the application adopts the following technical scheme:
a direct current sensor with a heat insulation shell comprises a base and a fixed rod, wherein a sensor body is fixedly connected to the upper surface of the base, fixed blocks are fixedly connected to two ends of the fixed rod, the upper surface of each fixed block is fixedly connected with the lower surface of the base, heat insulation shells are slidably connected to the front surface and the back surface of the base, a driving assembly is fixedly connected to the lower surface of the base, and a clamping assembly is arranged on the surface of the fixed rod;
the driving assembly comprises an outer barrel fixedly connected with the lower surface of the base, the inner wall of the outer barrel is connected with an inner barrel in a sliding mode, one end, far away from the outer barrel, of the inner barrel is fixedly connected with the inner wall of the heat-insulation shell, and volume heat-sensitive materials are arranged in inner cavities of the outer barrel and the inner barrel.
Preferably, the inner wall fixedly connected with slide of heat preservation casing, two the inner wall of slide respectively with the front and the back sliding connection of base, the front and the back of base pass through the inner wall sliding connection of slide and heat preservation casing.
Preferably, the opposite surfaces of the two slideways are close to the position fixedly connected with the sub stop blocks of the sensor body, and the upper surface of the base is close to the position fixedly connected with the main stop blocks of the side surfaces.
Preferably, the driving assembly further comprises a spring sleeved on the surface of the fixing rod, one end of the spring is fixedly connected with one side of the fixing block, and the other end of the spring is fixedly connected with the inner wall of the heat-insulating shell.
Preferably, the centre gripping subassembly is including seting up the through-hole on fixed rod surface, and the inner wall of through-hole rotates and is connected with two-way screw lead screw, the surperficial threaded connection of two-way screw lead screw has the right-angle board, the last fixed surface of right-angle board is connected with the slider, the slide opening has been seted up to the side of slider, and the inner wall of slide opening and the surface sliding connection of fixed rod.
Preferably, one end of the right-angle plate, which is far away from the sliding block, is fixedly connected with a clamping flap, and the inner wall of the clamping flap is provided with anti-skid grains.
Preferably, one end of the bidirectional threaded screw rod is fixedly connected with a knob, and the surface of the knob is provided with an anti-skid knurl.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
one of them, pulling force that produces fixed block and heat preservation casing through the spring makes two heat preservation casings fold, make the sensor body be in the inside of heat preservation casing, influence to the sensor body when reducing external low temperature, through volume heat-sensitive material, the inflation phenomenon appears when it is heated, and then promote the inner tube and slide along the inner wall of urceolus, promote the resistance of two heat preservation casings of overcoming the spring and keep away from each other through the inner tube, make the sensor body expose and dispel the heat fast in the air, avoid the high temperature to produce the influence to the sensor body in the heat preservation casing, thereby make this direct current sensor who has lagging casing solve the sensor and expose and use in the air, the change of temperature causes the problem of its testing result error.
And secondly, the knob is rotated to drive the bidirectional threaded screw rod to rotate, so that under the limiting effect of the sliding block and the fixing rod, the two right-angle plates are close to or far away from each other, the right-angle plates drive the clamping flaps to move, and then the external wire is clamped or loosened, so that the direct current sensor with the heat preservation shell has the effect of being convenient for fixing the wire.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a diagram: the utility model has a structure schematic diagram;
FIG. 2 is a diagram of: the utility model discloses a schematic view of a structure inside a heat-insulating shell;
FIG. 3 is a diagram of: the utility model is a schematic view of the main structure of the bottom plate, the fixing rod and the fixing block;
FIG. 4 is a diagram of: the utility model discloses a schematic front view structure of a driving assembly;
FIG. 5 is a diagram: the utility model is a schematic view of the structure of the outer cylinder and the inner cylinder;
FIG. 6 is a diagram of: the utility model discloses a clamping assembly.
In the figure: 1. a base; 2. fixing the rod; 3. a sensor body; 4. a fixed block; 5. a heat-insulating shell; 6. a drive assembly; 601. an outer cylinder; 602. an inner barrel; 603. a slideway; 604. a sub stopper; 605. a female stop block; 606. a spring; 7. a clamping assembly; 701. a bidirectional threaded screw rod; 702. a right-angle plate; 703. a slider; 704. a clamping flap; 705. a knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-6, the present invention provides a technical solution of a dc sensor with a thermal insulation housing:
the utility model provides a direct current sensor with lagging casing, includes base 1 and dead lever 2, and base 1's last fixed surface is connected with sensor body 3, the equal fixedly connected with fixed block 4 in both ends of dead lever 2, and the upper surface of fixed block 4 is connected with base 1's lower fixed surface, and base 1's front and back sliding connection have heat preservation casing 5, and base 1's lower fixed surface is connected with drive assembly 6, and the surface of dead lever 2 is provided with centre gripping subassembly 7.
Specifically, drive two thermal-insulation shells 5 through drive assembly 6 and be close to each other or keep away from for sensor body 3 is in thermal-insulation shell 5 or in the air, in order to reduce the influence of temperature variation to sensor body 3, is convenient for fix sensor and wire through centre gripping subassembly 7.
In the utility model, as shown in fig. 3-4, the driving component 6 comprises an outer cylinder 601 fixedly connected with the lower surface of the base 1, the inner wall of the outer cylinder 601 is slidably connected with an inner cylinder 602, one end of the inner cylinder 602 far away from the outer cylinder 601 is fixedly connected with the inner wall of the heat-insulating shell 5, and the inner cavities of the outer cylinder 601 and the inner cylinder 602 are provided with volume heat-sensitive materials.
The inner wall of the heat preservation shell 5 is fixedly connected with slide ways 603, the inner walls of the two slide ways 603 are respectively connected with the front and the back of the base 1 in a sliding manner, and the front and the back of the base 1 are connected with the inner wall of the heat preservation shell 5 in a sliding manner through the slide ways 603.
The opposite surfaces of the two slide ways 603 are fixedly connected with a sub stopper 604 at a position close to the sensor body 3, and the upper surface of the base 1 is fixedly connected with a main stopper 605 at a position close to the side surface.
The driving assembly 6 further comprises a spring 606 sleeved on the surface of the fixing rod 2, one end of the spring 606 is fixedly connected with one side of the fixing block 4, and the other end of the spring 606 is fixedly connected with the inner wall of the heat-insulating shell 5.
Specifically, pulling force to fixed block 4 and heat preservation casing 5 production through spring 606 makes two heat preservation casings 5 fold, make sensor body 3 be in heat preservation casing 5's inside, influence to sensor body 3 when reducing external low temperature, through volume heat-sensitive material, the inflation phenomenon appears when it is heated, and then promote inner tube 602 and slide along the inner wall of urceolus 601, promote two heat preservation casings 5 through inner tube 602 and overcome the resistance of spring 606 and keep away from each other, make sensor body 3 expose and dispel the heat in the air fast, avoid the too high temperature in the heat preservation casing 5 to produce the influence to sensor body 3, sub dog 604 and female dog 605's cooperation is used for preventing to keep away from each other when two heat preservation casings 5 break away from with base 1.
In the utility model, as shown in fig. 5, the clamping assembly 7 comprises a through hole formed in the surface of the fixing rod 2, the inner wall of the through hole is rotatably connected with a bidirectional threaded screw rod 701, the surface of the bidirectional threaded screw rod 701 is in threaded connection with a right-angle plate 702, the upper surface of the right-angle plate 702 is fixedly connected with a sliding block 703, the side surface of the sliding block 703 is provided with a sliding hole, and the inner wall of the sliding hole is in sliding connection with the surface of the fixing rod 2.
One end of the right-angle plate 702, which is far away from the sliding block 703, is fixedly connected with a clamping flap 704, and the inner wall of the clamping flap 704 is provided with anti-skid lines.
One end of the bidirectional threaded screw rod 701 is fixedly connected with a knob 705, and the surface of the knob 705 is provided with an anti-skid knurl.
Specifically, the knob 705 is rotated to drive the two-way threaded screw rod 701 to rotate, so that under the limiting effect of the sliding block 703 and the fixing rod 2, the two right-angle plates 702 are close to or far away from each other, the clamping flaps 704 are driven to move through the right-angle plates 702, and then the external wires are clamped or loosened.
The working principle is as follows: when the direct current sensor with the heat preservation shell is used, a user firstly penetrates a lead through the sensor, then a knob 705 is rotated, the knob 705 drives a two-way threaded screw rod 701 to rotate, under the limiting action of a sliding block 703 and a fixed rod 2, the two-way threaded screw rod 701 drives two right-angle plates 702 to mutually approach, the right-angle plates 702 drive clamping petals 704 to move, the two clamping petals 704 clamp an external lead, and further the sensor is fixed, the temperature in the heat preservation shell 5 gradually rises along with the work of the sensor body 3 and the current of the external lead, when the temperature rises to influence the work of the sensor body 3, the volume of a volume thermosensitive material expands along with the rise of the temperature, the inner cylinder 602 is pushed to move along the inner wall of the outer cylinder 601 to the direction away from each other, the inner cylinder 602 drives the heat preservation shell 5 to move, so that the two heat preservation shells 5 are away from each other to expose the sensor body 3, make its quick heat dissipation, along with the reduction of the temperature in the heat preservation casing 5, the volume of volume heat-sensitive material reduces, spring 606 resets and drives heat preservation casing 5 and remove to the direction of fixed block 4, folds up to two heat preservation casings 5 to sensor body 3 exposes in the air for a long time, receives its temperature variation's influence, thereby makes this direct current sensor with heat preservation shell solve the sensor and exposes and uses in the air, and the change of temperature causes the problem that its testing result produced the error.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. The utility model provides a direct current sensor with lagging casing, includes base (1) and dead lever (2), the last fixed surface of base (1) is connected with sensor body (3), its characterized in that: the two ends of the fixed rod (2) are fixedly connected with fixed blocks (4), the upper surface of each fixed block (4) is fixedly connected with the lower surface of the base (1), the front surface and the back surface of the base (1) are connected with heat-insulating shells (5) in a sliding manner, the lower surface of the base (1) is fixedly connected with a driving assembly (6), and the surface of the fixed rod (2) is provided with a clamping assembly (7);
drive assembly (6) including with base (1) lower surface fixed connection's urceolus (601), the inner wall sliding connection of urceolus (601) has inner tube (602), the one end of urceolus (601) and the inner wall fixed connection of heat preservation casing (5) are kept away from in inner tube (602), the inner chamber of urceolus (601) and inner tube (602) is provided with volume heat-sensitive material.
2. The direct current sensor with the thermal insulation shell according to claim 1, wherein: the inner wall fixedly connected with slide (603) of heat preservation casing (5), two the inner wall of slide (603) respectively with the front and the back sliding connection of base (1), the front and the back of base (1) pass through the inner wall sliding connection of slide (603) and heat preservation casing (5).
3. The direct current sensor with the thermal insulation shell as claimed in claim 2, wherein: the position, close to the sensor body (3), of the opposite surfaces of the two slide ways (603) is fixedly connected with a sub stop block (604), and the position, close to the side surface, of the upper surface of the base (1) is fixedly connected with a main stop block (605).
4. The direct current sensor with the thermal insulation shell according to claim 1, wherein: the driving assembly (6) further comprises a spring (606) sleeved on the surface of the fixing rod (2), one end of the spring (606) is fixedly connected with one side of the fixing block (4), and the other end of the spring (606) is fixedly connected with the inner wall of the heat-insulating shell (5).
5. The direct current sensor with the thermal insulation shell according to claim 1, wherein: centre gripping subassembly (7) are including seting up in the through-hole on dead lever (2) surface, and the inner wall of through-hole rotates and is connected with two-way screw lead screw (701), the surperficial threaded connection of two-way screw lead screw (701) has right-angle plate (702), the last fixed surface of right-angle plate (702) is connected with slider (703), the slide opening has been seted up to the side of slider (703), and the inner wall of slide opening and the surface sliding connection of dead lever (2).
6. The direct current sensor with the thermal insulation shell according to claim 5, wherein: one end, far away from the sliding block (703), of the right-angle plate (702) is fixedly connected with a clamping flap (704), and the inner wall of the clamping flap (704) is provided with anti-skid grains.
7. The direct current sensor with the thermal insulation shell according to claim 5, wherein: one end of the bidirectional threaded screw rod (701) is fixedly connected with a knob (705), and anti-skidding knurls are formed in the surface of the knob (705).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536129.6U CN215575262U (en) | 2021-07-07 | 2021-07-07 | Direct current sensor with thermal insulation shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121536129.6U CN215575262U (en) | 2021-07-07 | 2021-07-07 | Direct current sensor with thermal insulation shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215575262U true CN215575262U (en) | 2022-01-18 |
Family
ID=79824038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121536129.6U Expired - Fee Related CN215575262U (en) | 2021-07-07 | 2021-07-07 | Direct current sensor with thermal insulation shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215575262U (en) |
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2021
- 2021-07-07 CN CN202121536129.6U patent/CN215575262U/en not_active Expired - Fee Related
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| 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: 20220118 |