阅读说明：本技术 一种基于校验数据的热电阻温度测量仪 (Thermal resistance temperature measuring instrument based on check data ) 是由 向怀平 于 2021-07-16 设计创作，主要内容包括：本发明涉及信息技术领域,且公开了一种基于校验数据的热电阻温度测量仪,包括接线盒,还包括保护套管、感温电阻、故障检测组件、电阻监测组件,所述接线盒本体下方固定连接有保护套管,所述保护套管内部固定连接有感温电阻,所述保护套管内部固定连接有故障检测组件,用于检测保护套管内部水气含量是否过大,所述接线盒本体内部固定连接有电阻监测组件,用于检测感温电阻是否处于短路或者断路状态。该基于校验数据的热电阻温度测量仪,当保护套管内部进水后,水气被吸水树脂吸收,吸水树脂吸水后膨胀,使得弹性储存囊向外凸起,从而使得第一动触头和第一定触头接触后连通电路,使得报警器进行报警提示,防止测量仪显示错误。(The invention relates to the technical field of information, and discloses a thermal resistance temperature measuring instrument based on check data, which comprises a junction box, a protective sleeve, a temperature sensing resistor, a fault detection assembly and a resistance monitoring assembly, wherein the protective sleeve is fixedly connected below a junction box body, the temperature sensing resistor is fixedly connected inside the protective sleeve, the fault detection assembly is fixedly connected inside the protective sleeve and used for detecting whether the moisture content inside the protective sleeve is too large, and the resistance monitoring assembly is fixedly connected inside the junction box body and used for detecting whether the temperature sensing resistor is in a short circuit state or an open circuit state. This thermal resistance temperature measurement appearance based on check-up data, after protective case inside intake, the aqueous vapor is absorbed by absorbent resin, and absorbent resin expands after absorbing water for the elasticity is stored the bag and is outwards protruding, thereby makes first moving contact and first certain contact back and connects the circuit, makes the alarm report to the police and indicate, prevents that the measuring apparatu from showing the mistake.)

1. A thermal resistance temperature measuring instrument based on calibration data comprises a junction box (1), and is characterized in that: still include protective case (2), temperature sensing resistor (3), fault detection subassembly (4), resistance monitoring subassembly (5), terminal box (1) body below fixedly connected with protective case (2), protective case (2) inside fixedly connected with temperature sensing resistor (3), protective case (2) inside fixedly connected with fault detection subassembly (4) for whether too big for detect protective case (2) inside aqueous vapor content, terminal box (1) body inside fixedly connected with resistance monitoring subassembly (5) for whether detect temperature sensing resistor (3) are in the short circuit or the state of opening circuit.

2. A thermal resistance temperature measuring instrument based on verification data according to claim 1, wherein: the temperature-sensing resistor is characterized in that a mounting groove (7) is fixedly connected inside the junction box (1) body, a wiring board (8) is fixedly connected inside the mounting groove (7), and the wiring board (8) is electrically connected with the temperature-sensing resistor (3).

3. A thermal resistance temperature measuring instrument based on verification data according to claim 1, wherein: fault detection subassembly (4) are including fixed casing (41), bleeder vent (42), elastic storage bag (43), water-absorbing resin (44), first moving contact (45), first certain contact (46), bleeder vent (42) have been seted up to fixed casing (41) inside, the inside fixed connection elastic storage bag (43) of fixed casing (41), elastic storage bag (43) inside packing has water-absorbing resin (44), the first moving contact (45) of elastic storage bag (43) outside fixedly connected with, protective case (2) inner wall fixedly connected with is first certain contact (46).

4. A thermal resistance temperature measuring instrument based on verification data according to claim 3, wherein: the alarm device (6) is fixedly connected to the outer side of the junction box (1), the first fixed contact (46) is electrically connected to a power supply, and the first moving contact (45) is electrically connected to the alarm device (6).

5. A thermal resistance temperature measuring instrument based on verification data according to claim 4, characterized in that: resistance monitoring subassembly (5) are including electro-magnet (51), induction tank (52), first spring (53), magnet movable block (54), second spring (55), second moving contact (56), second fixed contact (57), inside fixedly connected with electro-magnet (51) of terminal box (1), induction tank (52) have been seted up to terminal box (1) inside, the inside fixedly connected with first spring (53) of induction tank (52), first spring (53) left side fixedly connected with magnet movable block (54), magnet movable block (54) right side fixedly connected with second spring (55), magnet movable block (54) outside fixedly connected with second moving contact (56), contact (57) are decided to induction tank (52) inner wall fixedly connected with second.

6. A thermal resistance temperature measuring instrument based on verification data according to claim 5, wherein: the wiring board is characterized in that a positive wiring column (9) is fixedly connected to the outer side of the wiring board (8), a negative wiring column (10) is fixedly connected to the outer side of the wiring board (8), the positive wiring column (9) is electrically connected to a power supply, and the negative wiring column (10) is electrically connected to the electromagnet (51).

7. A thermal resistance temperature measuring instrument based on verification data according to claim 5, wherein: the second fixed contact (57) is electrically connected to a power supply, and the second movable contact (56) is electrically connected to the alarm (6).

8. A thermal resistance temperature measuring instrument based on verification data according to claim 5, wherein: the corresponding surfaces of the electromagnet (51) and the magnet moving block (54) are opposite in magnetism.

Technical Field

The invention relates to the technical field of information, in particular to a thermal resistance temperature measuring instrument based on calibration data.

Background

The thermal resistance temperature sensor is a sensor thermometer for measuring temperature by using the principle that the resistance value of a conductor or a semiconductor changes along with the temperature change, the thermal resistance sensor consists of a thermal resistance, a connecting wire and a display instrument, the thermal resistance can also be connected with a temperature transmitter to convert the temperature into a standard current signal for output, and a material for manufacturing the thermal resistance has the resistance temperature coefficient and the resistivity which are as large as possible and stable, the output is preferably linear, the physical and chemical properties are stable, the complex linearity is good, and the like.

However, the working environment of the thermal resistance temperature measuring instrument is complex, the sealing performance of the protective sleeve is limited, after the thermal resistance temperature measuring instrument is used for a long time, moisture enters the protective sleeve, dirt between wiring posts and thermal resistance short circuit are caused, the indicated value of the displayed thermal resistance is lower than the actual value or unstable, meanwhile, the thermal resistance measuring circuit is short-circuited or grounded, and inaccurate temperature display can also be caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a thermal resistance temperature measuring instrument based on calibration data, which has the advantage of timely finding faults and solves the problems that the existing temperature measuring instrument is simple in structure, the faults cannot be found in time, the reasons can be found only after workers generally pay attention to abnormal temperature display for troubleshooting, and the production process is easily delayed.

(II) technical scheme

In order to realize the purpose of timely finding out the fault, the invention provides the following technical scheme: the utility model provides a thermal resistance temperature measurement appearance based on check-up data, includes the terminal box, still includes protective case, temperature-sensing resistor, fault detection subassembly, resistance monitoring subassembly, terminal box body below fixedly connected with protective case, the inside fixedly connected with temperature-sensing resistor of protective case, the inside fixedly connected with fault detection subassembly of protective case for whether too big for detect protective case inside aqueous vapor content, the inside fixedly connected with resistance monitoring subassembly of terminal box body is used for detecting whether temperature-sensing resistor is in the short circuit or the state of opening circuit.

Further, the inside fixedly connected with mounting groove of terminal box body, the inside fixedly connected with wiring board of mounting groove, wiring board electric connection temperature sensing resistor.

Further, the fault detection assembly comprises a fixed shell, air holes, an elastic storage bag, water-absorbing resin, a first moving contact and a first fixed contact, the air holes are formed in the fixed shell, the elastic storage bag is fixedly connected in the fixed shell, the water-absorbing resin is filled in the elastic storage bag, the first moving contact is fixedly connected to the outer side of the elastic storage bag, and the first fixed contact is fixedly connected to the inner wall of the protective sleeve.

Further, terminal box outside fixedly connected with alarm, its model number is SW2710, first certain contact electric connection to power supply, first moving contact electric connection to alarm, after protective case inside intaking, the aqueous vapor is absorbed by the resin that absorbs water, and the resin that absorbs water swells after absorbing water for the elastic storage bag is outside protruding, thereby makes first moving contact and first certain contact back connect the circuit, makes the alarm report to the police and indicate.

Further, the resistance monitoring assembly comprises an electromagnet, an induction groove, a first spring, a magnet moving block, a second spring, a second moving contact and a second fixed contact, the electromagnet is fixedly connected inside the junction box, the induction groove is formed inside the junction box, the first spring is fixedly connected inside the induction groove, the magnet moving block is fixedly connected on the left side of the first spring, the second spring is fixedly connected on the right side of the magnet moving block, the second moving contact is fixedly connected on the outer side of the magnet moving block, and the second fixed contact is fixedly connected on the inner wall of the induction groove.

Furthermore, the wiring board outside fixedly connected with positive terminal, the wiring board outside fixedly connected with negative terminal, positive terminal electric connection to power supply, negative terminal electric connection to electro-magnet, it is circular telegram for the electro-magnet through power supply, makes it have magnetism.

Furthermore, the second fixed contact is electrically connected to a power supply, the second moving contact is electrically connected to the alarm, and the second moving contact and the second fixed contact are connected to a circuit after contacting, so that the alarm gives an alarm.

Furthermore, the magnetism of the corresponding surface of the electromagnet and the magnet moving block is opposite, when the resistance value of the temperature-sensing resistor is within a normal resistance value range, repulsion force is generated between the electromagnet and the magnet moving block in front of the electromagnet and the magnet moving block, so that the magnet moving block normally moves within a small range in the induction groove, at the moment, the first spring is in a stretching state, the second spring is in a compressing state, if the temperature-sensing resistor is in an open circuit, the resistance value of the temperature-sensing resistor is infinite at the moment, the electromagnet loses magnetism when the electromagnet is powered off, the first spring resets, at the moment, the magnet moving block moves leftwards to drive the second moving contact on the left side to be in contact with the second fixed contact, if the temperature-sensing resistor is in a short circuit, the resistance value of the temperature-sensing resistor is zero, at the magnetism of the electromagnet is enhanced at the moment, so that the magnet moving block moves rightwards to drive the second moving contact on the right side to be in contact with the second fixed contact.

(III) advantageous effects

Compared with the prior art, the invention provides a thermal resistance temperature measuring instrument based on calibration data, which has the following beneficial effects:

1. compared with the existing temperature measuring instrument, the thermal resistance temperature measuring instrument has the functions of automatic detection and automatic warning, can timely find that water enters the protective sleeve, and prevents the measuring instrument from displaying errors to cause production accidents.

2. This thermal resistance temperature measuring apparatu based on check-up data, the temperature sensing resistance opens circuit, the resistance of temperature sensing resistance is the infinity this moment, the electro-magnet outage loses magnetism this moment, first spring reset, the magnet movable block moves left this moment, drive left second moving contact and the contact of second fixed contact, if the temperature sensing resistance short circuit, the resistance of temperature sensing resistance is zero this moment, the electro-magnet magnetism reinforcing this moment, make the magnet movable block move the right side, drive right side second moving contact and the contact of second fixed contact, report to the police through the alarm and indicate, compare in current temperature measuring apparatu, the invention has automatic detection and automatic warning function, can discover the anomaly of temperature sensing resistance in time, conveniently in time get rid of the trouble, improve production efficiency.

Drawings

FIG. 1 is a schematic side view of a junction box of the present invention;

FIG. 2 is a schematic side view of a fault detection assembly of the present invention;

FIG. 3 is a schematic side view of a resistance monitoring assembly according to the present invention;

FIG. 4 is a schematic side view of the electromagnetic over-magnetization state of the present invention.

In the figure: 1. a junction box; 2. protecting the sleeve; 3. a temperature sensing resistor; 4. a fault detection component; 41. a stationary housing; 42. air holes are formed; 43. an elastic storage bladder; 44. a water-absorbent resin; 45. a first moving contact; 46. a first fixed contact; 5. a resistance monitoring component; 51. an electromagnet; 52. an induction tank; 53. a first spring; 54. a magnet moving block; 55. a second spring; 56. a second moving contact; 57. a second fixed contact; 6. an alarm; 7. mounting grooves; 8. a wiring board; 9. a positive terminal post; 10. and a negative terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

The first embodiment is as follows:

referring to fig. 1-2, a thermal resistance temperature measuring instrument based on calibration data comprises a junction box 1, and further comprises a protective sleeve 2, a temperature sensing resistor 3, a fault detection assembly 4 and a resistance monitoring assembly 5, wherein the protective sleeve 2 is fixedly connected below a body of the junction box 1, the temperature sensing resistor 3 is fixedly connected inside the protective sleeve 2, the fault detection assembly 4 is fixedly connected inside the protective sleeve 2 and used for detecting whether the moisture content inside the protective sleeve 2 is too large, the resistance monitoring assembly 5 is fixedly connected inside the body of the junction box 1 and used for detecting whether the temperature sensing resistor 3 is in a short circuit or open circuit state, a mounting groove 7 is fixedly connected inside the body of the junction box 1, a wiring board 8 is fixedly connected inside the mounting groove 7, and the wiring board 8 is electrically connected with the temperature sensing resistor 3;

the fault detection assembly 4 comprises a fixed shell 41, an air hole 42, an elastic storage bag 43, water-absorbent resin 44, a first moving contact 45 and a first fixed contact 46, wherein the air hole 42 is formed in the fixed shell 41, the elastic storage bag 43 is fixedly connected in the fixed shell 41, the water-absorbent resin 44 is filled in the elastic storage bag 43, the first moving contact 45 is fixedly connected outside the elastic storage bag 43, the first fixed contact 46 is fixedly connected to the inner wall of the protective sleeve 2, the alarm 6 is fixedly connected outside the junction box 1, the first fixed contact 46 is electrically connected to a power supply, the first moving contact 45 is electrically connected to the alarm 6, when water enters the protective sleeve 2, the water is absorbed by the water-absorbent resin 44, the water-absorbent resin 44 expands after absorbing water, the elastic storage bag 43 protrudes outwards, and the first moving contact 45 and the first fixed contact 46 are in contact and then are connected with a circuit, so that the alarm 6 gives an alarm prompt.

Example two:

referring to fig. 1-4, a thermal resistance temperature measuring instrument based on calibration data comprises a junction box 1, and further comprises a protective sleeve 2, a temperature sensing resistor 3, a fault detection assembly 4 and a resistance monitoring assembly 5, wherein the protective sleeve 2 is fixedly connected below a body of the junction box 1, the temperature sensing resistor 3 is fixedly connected inside the protective sleeve 2, the fault detection assembly 4 is fixedly connected inside the protective sleeve 2 and used for detecting whether the moisture content inside the protective sleeve 2 is too large, the resistance monitoring assembly 5 is fixedly connected inside the body of the junction box 1 and used for detecting whether the temperature sensing resistor 3 is in a short circuit or open circuit state, a mounting groove 7 is fixedly connected inside the body of the junction box 1, a wiring board 8 is fixedly connected inside the mounting groove 7, and the wiring board 8 is electrically connected with the temperature sensing resistor 3;

the fault detection assembly 4 comprises a fixed shell 41, an air hole 42, an elastic storage bag 43, water-absorbent resin 44, a first moving contact 45 and a first fixed contact 46, wherein the air hole 42 is formed in the fixed shell 41, the elastic storage bag 43 is fixedly connected in the fixed shell 41, the water-absorbent resin 44 is filled in the elastic storage bag 43, the first moving contact 45 is fixedly connected outside the elastic storage bag 43, the first fixed contact 46 is fixedly connected to the inner wall of the protective sleeve 2, the alarm 6 is fixedly connected outside the junction box 1, the first fixed contact 46 is electrically connected to a power supply, the first moving contact 45 is electrically connected to the alarm 6, when water enters the protective sleeve 2, the water is absorbed by the water-absorbent resin 44, the water-absorbent resin 44 expands after absorbing water, the elastic storage bag 43 protrudes outwards, and the first moving contact 45 and the first fixed contact 46 are in contact and then are connected with a circuit, the alarm 6 carries out alarm prompt;

the resistance monitoring component 5 comprises an electromagnet 51, an induction groove 52, a first spring 53, a magnet moving block 54, a second spring 55, a second moving contact 56 and a second fixed contact 57, the electromagnet 51 is fixedly connected inside the junction box 1, the induction groove 52 is formed inside the junction box 1, the first spring 53 is fixedly connected inside the induction groove 52, the magnet moving block 54 is fixedly connected on the left side of the first spring 53, the second spring 55 is fixedly connected on the right side of the magnet moving block 54, the second moving contact 56 is fixedly connected on the outer side of the magnet moving block 54, the second fixed contact 57 is fixedly connected on the inner wall of the induction groove 52, a positive wiring column 9 is fixedly connected on the outer side of the wiring board 8, a negative wiring column 10 is fixedly connected on the outer side of the wiring board 8, the positive wiring column 9 is electrically connected to a power supply, the negative wiring column 10 is electrically connected to the electromagnet 51, the electromagnet 51 is electrified through the power supply to enable the electromagnet 51 to have magnetism, the second fixed contact 57 is electrically connected to a power supply, the second moving contact 56 is electrically connected to the alarm 6, and the second moving contact 56 is connected to a circuit after contacting with the second fixed contact 57, so that the alarm 6 gives an alarm prompt;

the magnetism of the corresponding surfaces of the electromagnet 51 and the magnet moving block 54 is opposite, when the resistance value of the temperature-sensing resistor 3 is within a normal resistance value range, a repulsive force is generated between the electromagnet 51 and the magnet moving block 54, so that the magnet moving block 54 normally moves within a small range inside the induction groove 52, at this time, the first spring 53 is in a stretching state, the second spring 55 is in a compressing state, if the temperature-sensing resistor 3 is disconnected, the resistance value of the temperature-sensing resistor 3 is infinite, at this time, the electromagnet 51 loses magnetism when the power is off, the first spring 53 resets, at this time, the magnet moving block 54 moves leftwards to drive the second movable contact 56 on the left side to be in contact with the second fixed contact 57, if the temperature-sensing resistor 3 is short-circuited, at this time, the resistance value of the temperature-sensing resistor 3 is zero, at this time, the magnetism of the electromagnet 51 is enhanced, so that the magnet moving block 54 moves rightwards to drive the second movable contact 56 to be in contact with the second fixed contact 57 on the right side.

The working principle is as follows: when water enters the protective sleeve 2, the water vapor enters the fixed shell 41 through the air holes 42 and is absorbed by the water-absorbent resin 44, and the water-absorbent resin 44 expands after absorbing water, so that the elastic storage bag 43 protrudes outwards, the first movable contact 45 and the first fixed contact 46 are contacted and then are connected with a circuit, and the alarm 6 gives an alarm prompt;

the magnetism of the corresponding surfaces of the electromagnet 51 and the magnet moving block 54 is opposite, when the resistance value of the temperature sensing resistor 3 is in a normal resistance value range, a repulsive force is generated between the electromagnet 51 and the magnet moving block 54, so that the magnet moving block 54 normally moves in a small range in the induction groove 52, at the moment, the first spring 53 is in a stretching state, the second spring 55 is in a compressing state, if the temperature sensing resistor 3 is disconnected, the resistance value of the temperature sensing resistor 3 is infinite, at the moment, the electromagnet 51 loses magnetism when power is off, the first spring 53 resets, and at the moment, the magnet moving block 54 moves leftwards to drive the second moving contact 56 on the left side and the second fixed contact 57 to contact and communicate a circuit, so that the alarm 6 gives an alarm prompt;

if the temperature-sensing resistor 3 is short-circuited, the resistance value of the temperature-sensing resistor 3 is zero at the moment, the magnetism of the electromagnet 51 is enhanced at the moment, so that the magnet moving block 54 moves rightwards, the second moving contact 56 and the second fixed contact 57 on the right side are driven to contact a communication circuit, and the alarm 6 gives an alarm prompt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.