CN111998964A - Temperature sensor mounting plug for circuit breaker - Google Patents

Abstract

The invention discloses a temperature sensor mounting plug for a circuit breaker, which comprises a circular truncated cone body and a cylinder, wherein the bottom of the cylinder is connected with the top of the circular truncated cone body, the cylinder and the circular truncated cone body are coaxially arranged, the cylinder is slightly smaller than the circular truncated cone body, a plurality of communicated mounting grooves are formed in the sensor mounting plug, and a temperature sensor can be mounted in the mounting groove of the temperature sensor mounting plug. The temperature sensor mounting plug for the circuit breaker adopts a simple and convenient temperature sensor mounting mode, so that the temperature sensor is convenient and quick to mount, and the purposes of good insulating property, simple production process and good economic benefit are achieved.

Description

Temperature sensor mounting plug for circuit breaker

Technical Field

The invention relates to the technical field of circuit breakers, in particular to a temperature sensor mounting plug for a circuit breaker.

Background

The existing installation scheme of the temperature sensor generally comprises the steps of firstly insulating the temperature sensor, and then fixing the temperature sensor by adopting different fixing devices according to different installation positions. The sensor insulation processing and fixing device has various types, a metal pipe is used for fixing the sensor to a measuring point by a screw after being encapsulated by epoxy, and a temperature sensor is directly fixed to the measuring point after being encapsulated by plastic dipping. The main defects of the existing scheme are as follows: (1) the temperature sensor needs to be subjected to insulation pretreatment and then is fixedly installed, and the process is complex and tedious. (2) The pretreated temperature sensor has high production cost, so that the product is not easy to popularize and apply, and the pretreated temperature sensor has larger volume and is not easy to apply to miniaturized products.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a temperature sensor mounting plug for a circuit breaker, which adopts a simple temperature sensor mounting mode, so that the temperature sensor is convenient and quick to mount, and the aims of good insulating property, simple production process and good economic benefit are fulfilled.

In order to solve the technical problem, the invention provides a temperature sensor mounting plug for a circuit breaker, which is realized by the following technical scheme:

the utility model provides a temperature sensor installs stopper for circuit breaker, temperature sensor installs stopper includes round platform body, cylinder, and the top of round platform body is connected to the bottom of cylinder, and cylinder and round platform body coaxial arrangement, cylinder are less than the round platform body a little, are provided with a plurality of mounting grooves that are linked together on the sensor installation stopper, and temperature sensor can install in the mounting groove of temperature sensor installation stopper. By adopting the structure and adopting a simple and convenient temperature sensor mounting mode, the temperature sensor is convenient and quick to mount, and the aims of good insulating property, simple production process and good economic benefit are fulfilled.

As an improvement of the invention, the temperature sensor comprises a temperature sensor body, a first sensor lead, a second sensor lead, a first sensor lead welding part and a second sensor lead welding part, wherein one leading-out end of the temperature sensor body is connected with one end of the first sensor lead welding part, the other end of the first sensor lead welding part is connected with the first sensor lead, the other leading-out end of the temperature sensor body is connected with one end of the second sensor lead welding part, and the other end of the second sensor lead welding part is connected with the second sensor lead.

As an improvement of the invention, the sensor mounting plug is provided with a temperature sensor body mounting groove, a sensor leading-out end mounting groove, a first sensor lead welding part mounting groove, a second sensor lead welding part mounting groove, a first sensor lead mounting groove and a second sensor lead mounting groove.

As an improvement of the invention, the temperature sensor body is cylindrical, two leading-out ends are respectively positioned at two ends of the temperature sensor body, a mounting groove of the temperature sensor body is concavely arranged at the upper part of one side of the cylinder, a mounting groove of the sensor leading-out end is concavely arranged at the middle part of the top end of the cylinder and concavely arranged at the upper part of the other side of the cylinder, a mounting groove of a first sensor lead welding part is concavely arranged at the middle lower part of one side of the cylinder, a mounting groove of the temperature sensor body is correspondingly communicated with the mounting groove of the first sensor lead welding part, a mounting groove of a second sensor lead welding part is concavely arranged at the middle lower part of the other side of the cylinder, the mounting groove of the first sensor lead welding part is communicated with the mounting groove of the second sensor lead welding part, the mounting groove of the first sensor lead, the second sensor lead placing groove is concavely arranged on the other side of the circular truncated cone body, and the second sensor lead welding part placing groove corresponds to and is communicated with the second sensor lead placing groove.

As an improvement of the invention, the temperature sensor body is in a water drop shape, two leading-out ends are positioned at one end of the temperature sensor body, a mounting groove of the temperature sensor body is concavely arranged at the middle part of the top end of the cylinder, sensor leading-out end mounting grooves are concavely arranged at the middle upper parts of two sides of the cylinder respectively, a mounting groove of a sensor lead welding part is concavely arranged at the middle lower part of one side of the cylinder, through grooves are arranged at two sides of the mounting groove of the temperature sensor body, the mounting groove of the sensor lead welding part corresponds to and is communicated with the mounting groove of the sensor leading-out end at the same side, a mounting groove of a sensor lead welding part is concavely arranged at one side of the circular table body, the mounting groove of the sensor lead welding part corresponds to and is communicated with the mounting groove of the sensor lead, the second sensor lead placing groove is concavely arranged on the other side of the circular truncated cone body, and the second sensor lead welding part placing groove corresponds to and is communicated with the second sensor lead placing groove.

As an improvement of the invention, the mounting groove of the first sensor lead welding part and the mounting groove of the second sensor lead welding part are slightly larger than the mounting groove of the leading-out end of the sensor, the mounting groove of the first sensor lead welding part and the mounting groove of the second sensor lead welding part, and the mounting groove of the first sensor lead welding part and the mounting groove of the second sensor lead welding part are symmetrically arranged.

As an improvement of the invention, the temperature sensor mounting plug is made of engineering plastics or rubber with high insulating property.

The circuit breaker comprises a bottom shell, an upper cover, a surface cover, a moving contact assembly, a static contact assembly, a switching operating mechanism assembly, an arc extinguishing cover, a tripping device and an operating handle, wherein the upper cover is covered and fixed on the upper part of the bottom shell, the surface cover is covered and fixed on the upper part of the upper cover, a temperature sensor mounting hole is concavely arranged on the back surface of the bottom shell, the temperature sensor mounting hole is positioned below a front connecting conductor of the static contact assembly or/and below a rear connecting conductor of the moving contact assembly, a temperature sensor mounting plug is arranged in the temperature sensor mounting hole, and a circular table body of the temperature sensor mounting plug is in interference fit with the temperature sensor mounting hole.

As an improvement of the invention, the temperature sensor mounting hole is positioned below the front connecting terminal of the front connecting conductor and behind the front connecting nut or/and below the rear connecting terminal of the rear connecting conductor and in front of the rear connecting nut, and the temperature sensor mounting hole is perpendicular to the front connecting terminal or/and perpendicular to the rear connecting terminal.

As an improvement of the invention, the temperature sensor mounting hole is a blind hole, and the temperature sensor is isolated from the front connecting terminal by an insulating material or/and the rear connecting terminal by an insulating material.

Compared with the prior art, the invention at least has the following technical effects: the temperature sensor mounting plug for the circuit breaker adopts a simple and convenient temperature sensor mounting mode, so that the temperature sensor is convenient and quick to mount, and the purposes of good insulating property, simple production process and good economic benefit are achieved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is an exploded view of an intelligent electronic molded case circuit breaker according to the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged schematic view of a portion B of fig. 3.

Fig. 5 is a block diagram of a circuit structure of an intelligent electronic molded case circuit breaker according to the present invention.

Fig. 6 is a schematic diagram of the back structure of fig. 1.

Fig. 7 is a rear view of the bottom case of fig. 6.

Fig. 8 is a schematic cross-sectional view taken along line C-C of fig. 7.

Fig. 9 is a schematic structural diagram of a temperature sensor assembly of fig. 3.

Fig. 10 is an exploded view of the temperature sensor assembly of fig. 9.

Fig. 11 is a view illustrating a structure of the temperature sensor mounting plug of fig. 9 at an angle.

Fig. 12 is a schematic view of the temperature sensor mounting plug of fig. 9 at another angle.

Fig. 13 is a side view schematically showing the structure of the temperature sensor mounting plug of fig. 9.

Fig. 14 is a schematic cross-sectional view taken along line D-D of fig. 13.

Fig. 15 is a schematic structural view of another temperature sensor assembly of fig. 3.

Fig. 16 is an exploded view of the temperature sensor assembly of fig. 15.

Fig. 17 is a view illustrating an angle of a temperature sensor mounting plug of fig. 15.

Fig. 18 is a schematic view of the temperature sensor mounting plug of fig. 15 at another angle.

Fig. 19 is a side view schematically showing the structure of the temperature sensor mounting plug of fig. 15.

Fig. 20 is a schematic view of the cross-sectional structure of fig. 19 taken along line E-E.

Fig. 21 is a left side view of the temperature sensor mounting plug of fig. 19.

Fig. 22 is a schematic diagram showing a right side view of the temperature sensor mounting plug of fig. 19.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects of the present invention, the following detailed description of the preferred embodiments, structures, features and effects according to the present invention will be provided in the accompanying drawings.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must be provided with a particular orientation, constructed and operated in a particular orientation, and thus, should not be taken as limiting the present application.

In order to more clearly explain the positional relationship of the components, "up" and "down" in the present application take the up and down shown in fig. 1 and 3 as an example. In order to more clearly explain the positional relationship of the respective members, "front" and "rear" in the present application take the front and rear as shown in fig. 2 and 3 as an example.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Example 1

As shown in fig. 1 to 14, an intelligent electronic molded case circuit breaker comprises a bottom case 1, an upper cover 2, a surface cover 3, a moving contact assembly 4, a static contact assembly 5, a separation and combination operating mechanism assembly 6, an arc extinguishing cover 7, a tripping device 8, an operating handle 9, an intelligent control system, a bottom cover plate 14 and a backup snap-action protection mechanism 15, wherein the upper cover 2 covers the upper part of the bottom case 1, the upper cover 2 and the bottom case 1 are fixedly connected through a connecting piece, the surface cover 3 covers the upper part of the upper cover 2, the surface cover 3 and the upper cover 2 are fixedly connected through a connecting piece, the bottom case 1 and the bottom cover plate 14 are fixedly connected, the operating handle 9 is arranged in a cavity formed by the upper cover 2 and the bottom case 1, the upper end of the operating handle 9 penetrates through the upper cover 2 and extends out of the surface cover 3, the intelligent control system comprises a power supply voltage measuring circuit, a temperature sensor assembly 10, a measuring current transformer 11, a, The remote signaling detection module and the circuit board 13 are respectively electrically connected with the circuit board 13, a power supply voltage measuring circuit, the temperature sensor assembly 10, the measuring current transformer 11, the protection and power supply current transformer 12 and the remote signaling detection module are respectively arranged at the end part of the static contact assembly 5, the temperature sensor assembly 10 is respectively close to the front connecting conductor 51 of the static contact assembly 5 and the rear connecting conductor 41 of the movable contact assembly 4, and the measuring current transformer 11 and the protection and power supply current transformer 12 are respectively sleeved on the rear connecting conductor 41 of the movable contact assembly 4. The power supply voltage measuring circuit is used for measuring power supply voltage, the temperature sensor assembly 10 is used for measuring the temperature of the front connecting conductor 51 of the static contact assembly 5 or/and the temperature of the rear connecting conductor 41 of the movable contact assembly 4, the measuring current transformer 11 is used for measuring load current, and the protecting and supplying current transformer 12 is used for protecting faults and overload and supplying power to the circuit board 13. The circuit board 13 is arranged between the upper cover 2 and the face cover 3, the circuit board 13 is fixedly connected with the upper cover 2, a through hole is formed in the middle of the circuit board 13, and the upper end of the operating handle 9 is inserted into the through hole of the circuit board 13.

As shown in fig. 2, an emergency trip button 31 is arranged in the middle of the left side of the face cover 3, a working state indicator lamp 32 is arranged in the middle of the right side of the face cover 3, a man-machine interface display window 33 is arranged in the middle of the lower portion of the face cover 3, an external control interface 34 is arranged on the left side of the lower portion of the face cover 3, and a local operation key 35 is arranged on the right side of the lower portion of the face cover 3. The operating handle 9 is provided with a separation and combination indicator 91.

As shown in fig. 5, the circuit board 13 is provided with an MCU microcontroller, an alternate collection metering module, and a protection and power supply signal processing module, the power supply voltage measurement circuit is connected to the alternate collection metering module, the measurement current transformer 11 is connected to the alternate collection metering module, the alternate collection metering module is connected to the MCU microcontroller, the temperature sensor assembly 10, the protection and power supply current transformer 12, and the remote signaling detection module are respectively connected to the protection and power supply signal processing module, the protection and power supply signal processing module is connected to the MCU microcontroller, and the MCU microcontroller is connected to the trip device. And the remote signaling detection module is used for detecting the on-off state of the circuit breaker. The intelligent control system of the circuit breaker comprises a power supply voltage measurement system, a load current measurement system, a front wiring terminal and a rear wiring terminal temperature measurement system during working, and a remote signaling and remote control system. In order to achieve the purpose of real-time information sensing and protection of the intelligent power grid terminal, two sets of current transformer measuring systems are adopted for current measurement, one set of current transformer measuring system is used for high-precision alternate acquisition metering, high-precision measurement of voltage and current is achieved, data output such as power, electric quantity, power factor and harmonic analysis is provided, and the comprehensive intelligent sensing function of electricity utilization information is achieved; the other current transformer is used for protection and power supply, and the protection functions of overload, short circuit and the like can be achieved under the condition of no auxiliary power supply. According to the embodiment, whether the circuit breaker works in a normal state or not is judged according to the measured current, voltage and working temperature of each wiring terminal, if an abnormal state occurs, such as an over-voltage fault, an under-voltage fault and an overload short-circuit fault, the working abnormal state of the circuit breaker is output, and opening is carried out or alarm processing is carried out according to the working state. Particularly, the temperature of each wiring terminal is measured and early-warned, the main control microcontroller reads the measured temperature at any time, judges whether the measured temperature is in a normal range or not according to the magnitude of load current and the ambient temperature, outputs an abnormal working state of the circuit breaker if the abnormal working state is judged, and can control the circuit breaker to break if the abnormal working state is not processed within a set time range so as to eliminate potential safety hazards of electricity utilization and avoid electrical fire caused by abnormal working of equipment. Through the intelligent control system of circuit breaker, can realize intelligent control functions such as remote regulation, telemetering measurement, remote signalling, remote control to the circuit breaker, through communication interface, the construction that can conveniently realize smart power grids can be joined in marriage corresponding communication adapter to the development needs of adaptation industry thing networking.

As shown in fig. 6, 7 and 8, a temperature sensor mounting hole 1-1 is concavely formed in the back surface of the bottom case 1, the temperature sensor assembly 10 is mounted in the temperature sensor mounting hole 1-1, and the temperature sensor mounting hole 1-1 is respectively located below the front connecting conductor 51 of the static contact assembly 5 and below the rear connecting conductor 41 of the movable contact assembly 4. Preferably, the temperature sensor mounting holes 1-1 are respectively located below the front connection terminal 511 of the front connection conductor 51 of the static contact assembly 5 and behind the front connection nut 52, and below the rear connection terminal 411 of the rear connection conductor 41 of the movable contact assembly 4 and in front of the rear connection nut 42, the temperature sensor mounting holes 1-1 are respectively perpendicular to the front connection terminal 511 and the rear connection terminal 411, the temperature sensor mounting holes 1-1 are blind holes, and the temperature sensor assembly 10 is respectively isolated from the front connection terminal 511 and the rear connection terminal 411 by insulating materials.

As shown in fig. 9 and 10, the temperature sensor assembly 10 includes a temperature sensor mounting plug 101 and a temperature sensor, the temperature sensor includes a temperature sensor body 104, a first sensor lead 102, a second sensor lead 106, a first sensor lead welding portion 103, and a second sensor lead welding portion 105, one end of the first sensor lead welding portion 103 is connected to one end of the temperature sensor body 104, the other end of the first sensor lead welding portion 103 is connected to the first sensor lead 102, the other end of the temperature sensor body 104 is connected to one end of the second sensor lead welding portion 105, the other end of the second sensor lead welding portion 105 is connected to the second sensor lead 106, the temperature sensor body 104, the first sensor lead 102, the second sensor lead 106, the first sensor lead bond 103, and the second sensor lead bond 105 are all mounted on the temperature sensor mounting plug 101. In the present embodiment, the temperature sensor body 104 has a cylindrical shape, and the two terminals are respectively located at two ends of the temperature sensor body 104.

As shown in fig. 11 to 14, the temperature sensor mounting plug 101 has a cylindrical multi-groove structure, and is made of high-insulation engineering plastic or rubber, and includes a truncated cone 1011 and a cylinder 1012, the bottom of the cylinder 1012 is connected to the top of the truncated cone 1011, the cylinder 1012 and the truncated cone 1011 are coaxially arranged, the cylinder 1012 is slightly smaller than the truncated cone 1011, the truncated cone 1011 and the temperature sensor mounting hole 1-1 are in interference fit, and the temperature sensor assembly 10 can be tightly fitted with the temperature sensor mounting hole 1-1 when the temperature sensor assembly 10 is mounted, so as not to fall off. The sensor mounting plug 101 is provided with a temperature sensor body seating groove 1013, a sensor lead-out seating groove 1014, a first sensor lead bonding portion seating groove 1015, a second sensor lead bonding portion seating groove 1017, a first sensor lead seating groove 1016, and a second sensor lead seating groove 1018. The temperature sensor and the lead wire are soldered or resistance welded, and the welding part of the sensor lead wire is slightly larger than the lead end of the sensor, so that the mounting grooves 1015 of the first mounting groove 1015 of the welding part of the sensor lead wire and the second mounting groove 1017 of the welding part of the sensor lead wire are slightly larger than the mounting grooves 1014 of the leading end of the sensor, the first mounting groove 1016 of the sensor lead wire and the second mounting groove 1018 of the sensor lead wire, the external dimension is not widened after the temperature sensor and the temperature sensor mounting plug are assembled, and the temperature sensor assembly is difficult to be arranged in the temperature sensor.

As shown in fig. 11 to 14, the temperature sensor body receiving groove 1013 is concavely provided at an upper portion of one side of the cylinder 1012, the sensor lead-out receiving groove 1014 is concavely provided at a middle portion of a top end of the cylinder 1012 and concavely provided at an upper portion of the other side of the cylinder 1012, the sensor lead-bonding part one receiving groove 1015 is concavely provided at a middle lower portion of one side of the cylinder 1012, the temperature sensor body receiving groove 1013 corresponds to and communicates with the sensor lead-bonding part one receiving groove 1015, the sensor lead-bonding part two receiving groove 1017 is concavely provided at a middle lower portion of the other side of the cylinder 1012, the sensor lead-out receiving groove 1014 corresponds to and communicates with the sensor lead-bonding part two receiving groove 1017, the sensor lead-bonding part one receiving groove 1016 is concavely provided at one side of the circular table body 1011, the sensor lead-bonding part one receiving groove 1015 corresponds to and communicates with the sensor lead-bonding part one receiving, the second sensor lead bonding portion seating groove 1017 corresponds to and communicates with the second sensor lead seating groove 1018.

Example 2

As shown in fig. 15 to fig. 22, the difference between the intelligent electronic molded case circuit breaker of the embodiment 2 and the intelligent electronic molded case circuit breaker of the embodiment 1 is that: the temperature sensor assembly 10 is slightly different.

As shown in fig. 15 and 16, the temperature sensor assembly 10 includes a temperature sensor mounting plug 101 and a temperature sensor, the temperature sensor includes a temperature sensor body 104, a first sensor lead 102, a second sensor lead 106, a first sensor lead welding portion 103, and a second sensor lead welding portion 105, one end of the first sensor lead welding portion 103 is connected to one end of the temperature sensor body 104, the other end of the first sensor lead welding portion 103 is connected to the first sensor lead 102, the other end of the temperature sensor body 104 is connected to one end of the second sensor lead welding portion 105, the other end of the second sensor lead welding portion 105 is connected to the second sensor lead 106, the temperature sensor body 104, the first sensor lead 102, the second sensor lead 106, the first sensor lead bond 103, and the second sensor lead bond 105 are all mounted on the temperature sensor mounting plug 101. In this embodiment, the temperature sensor body 104 is in the shape of a drop, and two terminals are located at one end of the temperature sensor body 104.

As shown in fig. 17 to 22, the temperature sensor mounting plug 101 has a cylindrical multi-groove structure, and is made of high-insulation engineering plastic or rubber, and includes a truncated cone 1011 and a cylinder 1012, the bottom of the cylinder 1012 is connected to the top of the truncated cone 1011, the cylinder 1012 and the truncated cone 1011 are coaxially arranged, the cylinder 1012 is slightly smaller than the truncated cone 1011, the truncated cone 1011 and the temperature sensor mounting hole 1-1 are in interference fit, and the temperature sensor assembly 10 can be tightly fitted with the temperature sensor mounting hole 1-1 when the temperature sensor assembly 10 is mounted, so as not to fall off. The sensor mounting plug 101 is provided with a temperature sensor body seating groove 1013, a sensor lead-out seating groove 1014, a first sensor lead bonding portion seating groove 1015, a second sensor lead bonding portion seating groove 1017, a first sensor lead seating groove 1016, and a second sensor lead seating groove 1018. The temperature sensor and the lead wire are soldered or resistance welded, and the welding part of the sensor lead wire is slightly larger than the lead end of the sensor, so that the mounting grooves 1015 of the first mounting groove 1015 of the welding part of the sensor lead wire and the second mounting groove 1017 of the welding part of the sensor lead wire are slightly larger than the mounting grooves 1014 of the leading end of the sensor, the first mounting groove 1016 of the sensor lead wire and the second mounting groove 1018 of the sensor lead wire, the external dimension is not widened after the temperature sensor and the temperature sensor mounting plug are assembled, and the temperature sensor assembly is difficult to be arranged in the temperature sensor.

As shown in fig. 17 to 22, the temperature sensor body receiving groove 1013 is concavely provided in the middle of the top end of the cylinder 1012, the sensor lead-out receiving grooves 1014 are concavely provided in the middle upper parts of both sides of the cylinder 1012, the first sensor lead-bonding part receiving groove 1015 is concavely provided in the middle lower part of one side of the cylinder 1012, both sides of the temperature sensor body receiving groove 1013 are provided with through grooves 1019, the temperature sensor body receiving groove 1013 is communicated with the sensor lead-out receiving groove 1014, the first sensor lead-bonding part receiving groove 1015 corresponds to and communicates with the sensor lead-out receiving groove 1014 on the same side, the second sensor lead-bonding part receiving groove 1017 is concavely provided in the middle lower part of the other side of the cylinder 1012, the second sensor lead-bonding part receiving groove 1017 corresponds to and communicates with the sensor lead-out receiving groove 1014 on the same side, the first sensor lead-bonding part receiving groove 1016 is concavely provided on one side of the circular table body 1011, the first, the second sensor lead mounting groove 1018 is recessed on the other side of the truncated cone 1011, and the second sensor lead soldering portion mounting groove 1017 corresponds to and communicates with the second sensor lead mounting groove 1018.

Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention.

Claims (10)

1. The utility model provides a temperature sensor installs and fills up for circuit breaker, a serial communication port, temperature sensor installs and fills up (101) including the round platform body (1011), cylinder (1012), the top of round platform body (1011) is connected to the bottom of cylinder (1012), cylinder (1012) and round platform body (1011) coaxial arrangement, cylinder (1012) are less than round platform body (1011) a little, be provided with a plurality of mounting grooves that are linked together on sensor installation fills up (101), temperature sensor can install in the mounting groove of temperature sensor installation fills up (101).

2. The temperature sensor mounting plug for a circuit breaker according to claim 1, wherein the temperature sensor includes a temperature sensor body (104), a first sensor lead (102), a second sensor lead (106), a first sensor lead-bonding portion (103), and a second sensor lead-bonding portion (105), one end of the first sensor lead-bonding portion (103) is connected to one end of the temperature sensor body (104), the other end of the first sensor lead-bonding portion (103) is connected to the first sensor lead (102), the other end of the temperature sensor body (104) is connected to one end of the second sensor lead-bonding portion (105), and the other end of the second sensor lead-bonding portion (105) is connected to the second sensor lead (106).

3. The temperature sensor mounting plug for circuit breaker according to claim 2, wherein the sensor mounting plug (101) is provided with a temperature sensor body receiving groove (1013), a sensor lead-out receiving groove (1014), a sensor lead-bonding part-receiving groove (1015), a sensor lead-bonding part-receiving groove (1017), a sensor lead-bonding part-receiving groove (1016), and a sensor lead-receiving part-receiving groove (1018).

4. The temperature sensor mounting plug for circuit breaker according to claim 3, wherein the temperature sensor body (104) has a cylindrical shape, two terminals are respectively located at both ends of the temperature sensor body (104), the temperature sensor body seating groove (1013) is concavely formed at an upper portion of one side of the cylinder (1012), the sensor terminal seating groove (1014) is concavely formed at a middle portion of a top end of the cylinder (1012) and at an upper portion of the other side of the cylinder (1012), the sensor lead welding part one seating groove (1015) is concavely formed at a middle and lower portion of one side of the cylinder (1012), the temperature sensor body seating groove (1013) corresponds to and communicates with the sensor lead welding part one seating groove (1015), the sensor lead welding part two seating groove (1017) is concavely formed at a middle and lower portion of the other side of the cylinder (1012), the sensor terminal seating groove (1014) communicates with the sensor lead welding part two seating groove (1017), the first sensor lead mounting groove (1016) is concavely arranged on one side of the round table body (1011), the first sensor lead welding part mounting groove (1015) corresponds to and is communicated with the first sensor lead mounting groove (1016), the second sensor lead mounting groove (1018) is concavely arranged on the other side of the round table body (1011), and the second sensor lead welding part mounting groove (1017) corresponds to and is communicated with the second sensor lead mounting groove (1018).

5. The temperature sensor mounting plug for a circuit breaker according to claim 3, wherein the temperature sensor body (104) has a drop shape, two lead terminals are located at one end of the temperature sensor body (104), the temperature sensor body seating groove (1013) is concavely formed at a middle portion of a top end of the cylinder (1012), the sensor lead terminal seating grooves (1014) are concavely formed at middle upper portions of both sides of the cylinder (1012), the sensor lead welding part one seating groove (1015) is concavely formed at a middle lower portion of one side of the cylinder (1012), both sides of the temperature sensor body seating groove (1013) are provided with the through groove (1019), the sensor lead welding part one seating groove (1015) corresponds to and communicates with the sensor lead terminal seating groove (1014) at the same side, the sensor lead welding part two seating grooves (1017) are concavely formed at a middle lower portion of the other side of the cylinder (1012), the second mounting groove (1017) of the sensor lead welding part corresponds to and is communicated with the mounting groove (1014) of the sensor leading-out end at the same side, the first mounting groove (1016) of the sensor lead is concavely arranged at one side of the circular table body (1011), the first mounting groove (1015) of the sensor lead welding part corresponds to and is communicated with the first mounting groove (1016) of the sensor lead, the second mounting groove (1018) of the sensor lead is concavely arranged at the other side of the circular table body (1011), and the second mounting groove (1017) of the sensor lead welding part corresponds to and is communicated with the second mounting groove (1018) of the sensor lead.

6. A temperature sensor mounting plug for a circuit breaker according to any one of claims 3 to 5, wherein the sensor lead-bonding part-receiving groove (1015) and the sensor lead-bonding part-receiving groove (1017) are slightly larger than the sensor lead-out receiving groove (1014), the sensor lead-receiving groove (1016), and the sensor lead-receiving groove (1018), and the sensor lead-bonding part-receiving groove (1015) and the sensor lead-bonding part-receiving groove (1017) are symmetrically disposed.

7. The temperature sensor mounting plug for circuit breaker according to any one of claims 1 to 5, wherein the temperature sensor mounting plug (101) is made of engineering plastic or rubber with high insulation property.

8. The temperature sensor mounting plug for the circuit breaker according to any one of claims 1 to 5, wherein the circuit breaker comprises a bottom shell (1), an upper cover (2), a surface cover (3), a movable contact assembly (4), a fixed contact assembly (5), a switching operating mechanism assembly (6), an arc extinguishing chamber (7), a tripping device (8) and an operating handle (9), the upper cover (2) is covered and fixed on the upper part of the bottom shell (1), the surface cover (3) is covered and fixed on the upper part of the upper cover (2), a temperature sensor mounting hole (1-1) is concavely arranged on the back surface of the bottom shell (1), the temperature sensor mounting hole (1-1) is positioned below a front connecting conductor (51) of the fixed contact assembly (5) or/and below a rear connecting conductor (41) of the movable contact assembly (4), the temperature sensor mounting plug (101) is mounted in the temperature sensor mounting hole (1-1), the round table body (1011) of the temperature sensor mounting plug (101) is in interference fit with the temperature sensor mounting hole (1-1).

9. The temperature sensor mounting plug for a circuit breaker according to claim 8, wherein the temperature sensor mounting hole (1-1) is located below the front connection terminal (511) of the front connection conductor (51) and behind the front connection nut (52) or/and below the rear connection terminal (411) of the rear connection conductor (41) and in front of the rear connection nut (42), and the temperature sensor mounting hole (1-1) is perpendicular to the front connection terminal (511) or/and perpendicular to the rear connection terminal (411).

10. The temperature sensor mounting plug for circuit breaker according to claim 8, wherein the temperature sensor mounting hole (1-1) is a blind hole, and the temperature sensor is isolated from the front connection terminal (511) by an insulating material or/and the rear connection terminal (411) by an insulating material.

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