CN210664813U

CN210664813U - Mine temperature sensor capable of preventing wire withdrawing

Info

Publication number: CN210664813U
Application number: CN201921756587.3U
Authority: CN
Inventors: 樊有问; 高歌; ***
Original assignee: Xuzhou Zhong'an Explosion Proof Electric Appliance Manufacturing Co Ltd
Current assignee: Xuzhou Zhong'an Explosion Proof Electric Appliance Manufacturing Co Ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-02
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a prevent moving back mining temperature sensor of silk, including casing, copper lid, nut, circuit board, data plate and sealed lid, the circumference outside top of casing is provided with a pair ofly relatively the nut, the top of casing is provided with the copper lid, the bottom of casing is provided with sealed lid, the casing bottom circumference outside is provided with the data plate, the inboard of casing is provided with the circuit board. Has the advantages that: structural design is reasonable, can effectually prevent that temperature sensor is not hard up and cause the unsafe problem of temperature monitoring.

Description

Mine temperature sensor capable of preventing wire withdrawing

Technical Field

The utility model relates to a temperature monitoring technology field particularly, relates to a prevent moving back mining temperature sensor of silk.

Background

Thermal resistance temperature sensors are classified into two major types, metal thermal resistance and semiconductor thermal resistance. The thermal resistor is widely used for measuring the temperature in the range of-200 to +850 ℃, and in a few cases, the low temperature can be measured to 1K, and the high temperature can reach 1000 ℃. The material used to make the thermal resistor should have as large and stable temperature coefficient of resistance and resistivity as possible, and the output should preferably be linear, stable in physicochemical properties, good in complex linearity, etc. The most commonly used thermal resistors at present are the platinum and copper ones.

The underground environment condition of the mine is severe, a large amount of flammable and explosive gases such as methane, carbon monoxide and the like are filled, once the surface temperature of underground electric equipment of the mine is too high due to heat dissipation or other reasons, the flammable gases can be ignited or detonated, and further mine accidents are caused, so that the necessary requirement of safety production is met by using a mining temperature sensor for real-time monitoring to guarantee the safety of underground operation, and in addition, due to the complex underground working condition, the traditional temperature sensor is often subjected to wire withdrawing due to vibration after being installed, and the deviation of the measuring result is directly caused.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a prevent moving back mining temperature sensor of silk to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a prevent moving back mining temperature sensor of silk, includes casing, copper lid, nut, circuit board, data plate and sealed lid, the circumference outside top of casing is provided with relatively a pair of the nut, the top of casing is provided with the copper lid, the bottom of casing is provided with sealed lid, the casing bottom circumference outside is provided with the data plate, the inboard of casing is provided with the circuit board.

Further, in order to facilitate the installation of the temperature sensor, the housing has a first diameter section and a second diameter section, and the diameter of the first diameter section is larger than that of the second diameter section.

Further, in order to make external screw thread one with the nut cooperatees, is convenient for fix temperature sensor in monitoring position department, simultaneously the internal thread with external screw thread three-phase cooperation, easy to assemble and dismantlement sealed lid is convenient for maintain and overhaul, the internal diameter of first diameter section with the internal diameter of second diameter section is the same, just first diameter section with the inboard of second diameter section all is provided with the internal thread, the circumference outside of first diameter section is provided with external screw thread one.

Furthermore, in order to enable the external thread to be matched with the internal thread, the copper cover can be installed on the shell to achieve the effect of sealing and heat conduction, meanwhile, the carbon-containing sponge can filter electromagnetic waves and prevent the interference of the electromagnetic waves so as to ensure monitoring data, and a second external thread is arranged on the outer side of the circumference of the copper cover.

Further, can install for the temperature probe that makes the thermal resistance in the through-hole, simultaneously sealed lid is executed sealed glue in the installation and is assisted sealedly, and then makes sealed effect better, sealed lid is including setting up frame in the casing, the bottom circumference outside of frame is provided with external screw thread three, the top of frame is provided with the round platform body, the through-hole has been seted up on the round platform body, round platform body one side is provided with the hemispheroid, be provided with the cavity in the hemispheroid, the inboard of sealed lid is provided with the carbon-containing sponge.

Furthermore, in order to enable the anti-wire-withdrawing stripe to be connected with the mounting surface, the friction force between the nut and the mounting end surface is increased, the phenomenon that the wire is withdrawn due to vibration is avoided, the anti-wire-withdrawing stripe is arranged on the end surface of the nut, the cross section of the anti-wire-withdrawing stripe is in a shape of a right triangle, and the right-angle side is connected with the end surface of the nut.

Furthermore, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a diode D1, a direct-insert resistor R1, a transistor Q1, an integrated block U1, an integrated block Q1, and an integrated block Q1 are disposed on the circuit board, wherein one end of the diode D1 is connected to the direct-insert resistor R1 and the capacitor C1, one end of the direct-insert resistor R1, which is away from the diode D1, is connected to a collector of the transistor Q1, one end of the capacitor C1 is connected to the integrated block Q1 and the capacitor C1, one end of the integrated block Q1 is connected to the diode D1, one end of the diode C1 is connected to one end of the diode D1 and one end of the first pin of the diode D1, and one end of the resistor R1 are connected to the integrated block R1, one end of the resistor R2, which is far away from the diode D3, is connected with the sixth pin of the integrated block U1, the third pin of the integrated block U1 is connected with the integrated block Q3, the third pin of the integrated block Q3 is grounded, the first pin of the integrated block Q3 is connected with one end of the resistor R3, the eighth pin of the integrated block U1 is connected with one end of the capacitor C3 and the ground respectively, the fifth pin of the integrated block U1 is connected with the resistor R1, and the resistor R1 is connected with the base of the triode Q1.

The utility model has the advantages that:

(1) the utility model has the advantages of reasonable design, can effectually prevent that temperature sensor is not hard up and cause the unsafe problem of temperature monitoring.

(2) Through setting up internal thread and external screw thread one and external screw thread two and external screw thread three and nut and cooperating to make temperature sensor conveniently fix in monitoring position department, easy to assemble simultaneously and dismantle sealed lid and copper lid, be convenient for maintain and overhaul.

(3) Through setting up the anti-back-off stripe to make the anti-back-off stripe and the installation face department of meeting, increased the frictional force of nut and installation terminal surface, avoided the condition of taking place to back off the silk because of vibrations to appear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a wire withdrawal prevention mining temperature sensor according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a housing of a temperature sensor for a wire withdrawal prevention mine according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a copper cover of a wire withdrawal prevention mining temperature sensor according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a sealing cover of the anti-wire-withdrawal mining temperature sensor according to an embodiment of the invention;

fig. 5 is a schematic structural diagram of a nut of the anti-wire-withdrawal mining temperature sensor according to an embodiment of the present invention;

fig. 6 is a circuit far-away diagram of a temperature sensor for a wire withdrawal prevention mine according to an embodiment of the present invention;

fig. 7 is a graph of resistance of a conductor or semiconductor as a function of temperature.

In the figure:

1. a housing; 101. a first diameter section; 102. a second diameter section; 103. an internal thread; 104. the first external thread; 2. a copper cover; 201. a second external thread; 3. a nut; 301. the yarn withdrawal stripes are prevented; 4. a circuit board; 5. a nameplate; 6. a sealing cover; 601. a frame; 602. an external thread III; 603. a circular truncated cone; 604. A through hole; 605. a hemisphere; 606. a cavity; 7. a carbon-containing sponge.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a prevent moving back mining temperature sensor of silk.

Now, the present invention is further explained with reference to the accompanying drawings and the detailed description, as shown in fig. 1-7, according to the present invention, a temperature sensor for preventing wire returning for mining comprises a housing 1, a copper cover 2, a nut 3, a circuit board 4, a nameplate 5 and a sealing cover 6, the top of the circumference outside of the housing 1 is relatively provided with a pair of the nut 3, the top of the housing 1 is provided with the copper cover 2, the bottom of the housing 1 is provided with the sealing cover 6, the circumference outside of the bottom of the housing 1 is provided with the nameplate 5, and the inner side of the housing 1 is provided with the circuit board 4.

By means of the above scheme to make structural design reasonable, can effectually prevent that temperature sensor is not hard up and cause the inaccurate problem of temperature monitoring.

In one embodiment, the housing 1 has a first diameter section 101 and a second diameter section 102, and the diameter of the first diameter section 101 is larger than the diameter of the second diameter section 102, so that the temperature sensor is easy to install.

In one embodiment, the inner diameter of the first diameter section 101 is the same as the inner diameter of the second diameter section 102, the inner sides of the first diameter section 101 and the second diameter section 102 are both provided with internal threads 103, and the outer side of the circumference of the first diameter section 101 is provided with an external thread one 104, so that the external thread one 104 is matched with the nut 3, the temperature sensor is convenient to fix at a monitoring position, and meanwhile, the internal threads 103 are matched with the external thread three 602, the sealing cover 6 is convenient to mount and dismount, and the maintenance and the overhaul are convenient.

In one embodiment, the outer side of the circumference of the copper cover 2 is provided with a second external thread 201, and the inner side of the copper cover 2 is provided with a carbon-containing sponge 7, so that the second external thread 201 is matched with the internal thread 103, so that the copper cover 2 can be installed on the shell 1 to realize the effect of sealing and heat conduction, and meanwhile, the carbon-containing sponge 7 can filter electromagnetic waves and prevent the interference of the electromagnetic waves so as to ensure the monitoring data.

In one embodiment, the sealing cover 6 includes a frame 601 disposed in the housing 1, an external thread three 602 is disposed on the outer side of the bottom circumference of the frame 601, a truncated cone 603 is disposed at the top end of the frame 601, a through hole 604 is disposed on the truncated cone 603, a hemisphere 605 is disposed on one side of the truncated cone 603, and a cavity 606 is disposed in the hemisphere 605, so that a temperature probe made of a thermal resistor can be installed in the through hole 604, and the sealing cover 6 is applied with a sealant to assist sealing during installation, thereby providing a better sealing effect.

In one embodiment, the end surface of the nut 3 is provided with the anti-back-threading stripe 301, the cross section of the anti-back-threading stripe 301 is a right-angled triangle, and the right-angled edge is connected with the end surface of the nut 3, so that the joint of the anti-back-threading stripe 301 and the mounting surface increases the friction force between the nut 3 and the mounting end surface, and the back-threading phenomenon caused by vibration is avoided.

In one embodiment, the circuit board 4 is provided with a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a diode D1, an in-line resistor R1, a transistor Q1, an integrated block U1, an integrated block Q1, and an integrated block Q1, wherein one end of the diode D1 is connected to the in-line resistor R1 and the capacitor C1, one end of the in-line resistor R1, which is away from the diode D1, is connected to a collector of the transistor Q1, one end of the capacitor C1 is connected to the integrated block Q1 and the capacitor C1, one end of the integrated block Q1 is connected to the diode D1, one end of the diode D1 is connected to one end of the diode D1 and one end of the first pin of the diode D1, and one end of the diode D1 is connected to the integrated block R1, one end of the resistor R2, which is far away from the diode D3, is connected with the sixth pin of the integrated block U1, the third pin of the integrated block U1 is connected with the integrated block Q3, the third pin of the integrated block Q3 is grounded, the first pin of the integrated block Q3 is connected with one end of the resistor R3, the eighth pin of the integrated block U1 is connected with one end of the capacitor C3 and the ground respectively, the fifth pin of the integrated block U1 is connected with the resistor R1, and the resistor R1 is connected with the base of the triode Q1.

The working principle is as follows: when the thermometer is used, the temperature sensor is fixed at a detection end through the two nuts 3 which are oppositely arranged, at the moment, the anti-wire-withdrawal stripe 301 is connected with the installation surface, the friction force between the nuts 3 and the installation end surface is increased, and the wire withdrawal condition is further avoided, the thermal resistance temperature sensor is a sensor thermometer for measuring temperature by utilizing the principle that the resistance value of a conductor or a semiconductor changes along with the temperature change, and the relation that the resistance value of the conductor or the semiconductor changes along with the temperature change is shown in fig. 7.

To sum up, with the help of the above technical scheme of the utility model, through setting up internal thread 103 with external screw thread 104 with external screw thread two 201 with three 602 of external screw thread reach nut 3 cooperatees to make temperature sensor conveniently fix in monitoring position department, easy to assemble simultaneously and dismantle sealed lid 6 with copper lid 2, the maintenance and the maintenance of being convenient for. Through the arrangement of the anti-wire-withdrawing stripe 301, the friction force between the nut 3 and the installation end face is increased at the joint of the anti-wire-withdrawing stripe 301 and the installation face, and the wire withdrawing caused by vibration is avoided. Thereby make structural design reasonable, can effectually prevent that temperature sensor is not hard up and cause the unsafe problem of temperature monitoring.

In the present application, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed," and the like are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent moving back mining temperature sensor of silk, its characterized in that, includes casing (1), copper lid (2), nut (3), circuit board (4), data plate (5) and sealed lid (6), the circumference outside top of casing (1) is provided with relatively a pair of nut (3), the top of casing (1) is provided with copper lid (2), the bottom of casing (1) is provided with sealed lid (6), the circumference outside of casing (1) bottom is provided with data plate (5), the inboard of casing (1) is provided with circuit board (4).

2. The mining temperature sensor for the wire withdrawal prevention according to claim 1, characterized in that the housing (1) is composed of a first diameter section (101) and a second diameter section (102), and the diameter of the first diameter section (101) is larger than that of the second diameter section (102).

3. The mining wire withdrawal prevention temperature sensor as claimed in claim 2, wherein the inner diameter of the first diameter section (101) is the same as that of the second diameter section (102), the inner sides of the first diameter section (101) and the second diameter section (102) are provided with internal threads (103), and the outer circumference of the first diameter section (101) is provided with a first external thread (104).

4. The mining temperature sensor for the anti-wire-withdrawal mine as claimed in claim 1, wherein an external thread II (201) is arranged on the outer side of the circumference of the copper cover (2).

5. The mining temperature sensor for the anti-wire-withdrawal mine according to claim 1, wherein the sealing cover (6) comprises a frame (601) arranged in the shell (1), an external thread III (602) is arranged on the outer side of the bottom circumference of the frame (601), a truncated cone (603) is arranged at the top end of the frame (601), a through hole (604) is formed in the truncated cone (603), a hemisphere (605) is arranged on one side of the truncated cone (603), a cavity (606) is arranged in the hemisphere (605), and carbon-containing sponge (7) is arranged on the inner side of the sealing cover (6).

6. The mining temperature sensor for the anti-wire-withdrawal mine according to claim 1, wherein an anti-wire-withdrawal stripe (301) is arranged on an end face of the nut (3), the cross section of the anti-wire-withdrawal stripe (301) is a right-angled triangle, and a right-angled side is connected with the end face of the nut (3).

7. The mining temperature sensor for the wire withdrawal prevention according to claim 1, wherein a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a capacitor C3, a diode D1, a diode D2, a diode D3, an in-line resistor R4, a transistor Q4, a chip U4, a chip Q4 and a chip Q4 are arranged on the circuit board (4), wherein one end of the diode D4 is respectively connected with the in-line resistor R4 and the capacitor C4, one end of the in-line resistor R4, which is far away from the diode D4, is connected with a collector of the transistor Q4, one end of the capacitor C4 is respectively connected with the chip Q4 and the capacitor C4, one end of the chip Q4 is connected with the diode D4, one end of the capacitor C4 is connected with the diode D4, one end of the diode D4 is respectively connected with a first pin of the diode D4 and a first pin 4, one end of the diode D3 is connected to the resistor R2, one end of the resistor R2, which is far away from the diode D3, is connected to the sixth pin of the integrated block U1, the third pin of the integrated block U1 is connected to the integrated block Q3, the third pin of the integrated block Q3 is grounded, the first pin of the integrated block Q3 is connected to one end of the resistor R3, the eighth pin of the integrated block U1 is connected to one end of the capacitor C3 and the ground, the fifth pin of the integrated block U1 is connected to the resistor R1, and the resistor R1 is connected to the base of the transistor Q1.