A multi-physics detection device for circuit breaker springs

Abstract

The application discloses a kind of multi-physics field detection equipment for circuit breaker spring, including equipment shell, physical field simulation device, vibration torsion component and stretching component;Fixed point is provided in equipment shell for fixing one end of spring, vibration torsion component is located in equipment shell, and the movable end of vibration torsion component is oppositely arranged with fixed point;Stretching component is set on the movable end of vibration torsion component, the movable end of stretching component is oppositely arranged with fixed point, and stretching component is used to stretch the other end of circuit breaker spring;Physical field simulation device is set on equipment shell, and physical field simulation device is used to simulate the physical environment where spring is located.The application combines the functions such as automatic physical scene simulation and spring stretching, torsion, improves the comprehensiveness and efficiency of circuit breaker spring condition detection, without manual replacement detection equipment, enhances applicability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spring detection, in particular to a multi-physical field detection device for circuit breaker springs. BACKGROUND

[0002] As one of the core components of circuit breakers, circuit breaker springs mainly play the roles of elastic reset, circuit opening and merging, etc., to ensure the safe and stable operation of power systems and improve the operation efficiency of power systems. The service life of circuit breaker springs is affected by many factors, such as stress level, vibration, working temperature, corrosion and fatigue damage, etc. The performance of circuit breaker springs has a decisive effect on whether the circuit breaker is in place or not, and thus has a decisive effect on whether the power system is in normal operation or not. Therefore, it is necessary to detect the condition of circuit breaker springs under different working conditions in advance.

[0003] However, the current devices for detecting circuit breaker springs are manually operated to test different detection devices, which has the problems of low detection efficiency, high cost, and can only detect springs in a single area or environment at a time, poor applicability, etc. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a multi-physical field detection device for circuit breaker springs, to improve the comprehensiveness and efficiency of circuit breaker spring condition detection, reduce the detection complexity, and enhance the applicability.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is:

[0006] A multi-physical field detection device for circuit breaker springs, comprising a device shell, a physical field simulation device, a vibration and torsion assembly, and a stretching assembly;

[0007] The device shell is provided with a fixed point for fixing one end of the spring, the vibration and torsion assembly is located in the device shell, and the movable end of the vibration and torsion assembly is arranged opposite to the fixed point;

[0008] The stretching assembly is arranged on the movable end of the vibration and torsion assembly, the movable end of the stretching assembly is arranged opposite to the fixed point, and the stretching assembly is used to stretch the other end of the circuit breaker spring;

[0009] The physical field simulation device is arranged on the device shell, and the physical field simulation device is used to simulate the physical environment in which the spring is located.

[0010] The application has the beneficial effects that a multi-physical field detection device for circuit breaker spring is provided, one end of the circuit breaker spring is fixed on a fixed point in use, the other end is connected to a stretching assembly, the characteristics of the actual physical environment of the circuit breaker spring are simulated through a physical field simulation device, then the circuit breaker spring is stretched, twisted and vibrated in the simulated physical field environment, the working condition of the circuit breaker spring is analyzed according to the stress condition, deformation condition and the like of the circuit breaker, the comprehensiveness and efficiency of the condition detection of the circuit breaker spring are improved through the automatic physical scene simulation and spring stretching, twisting and the like functions, manual replacement of the detection device is not needed, and the applicability is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of a multi-physical field detection device for circuit breaker spring of the application;

[0012] Figure 2 It is an internal structure sectional view of a multi-physical field detection device for circuit breaker spring of the application;

[0013] Figure 3 It is a component structural schematic view of a vibration and twisting assembly of a multi-physical field detection device for circuit breaker spring of the application;

[0014] Figure 4 It is a combination schematic view of a driving gear and a driven gear of an electric vibration assembly of a multi-physical field detection device for circuit breaker spring of the application;

[0015] Figure 5 It is a structural schematic view of a stretching assembly of a multi-physical field detection device for circuit breaker spring of the application;

[0016] Figure 6 It is a distribution schematic view of a limiting column of a multi-physical field detection device for circuit breaker spring of the application.

[0017] Label explanation:

[0018] 1, device shell; 2, physical field simulation device; 3, vibration and twisting assembly; 4, stretching assembly; 5, fixed point;

[0019] 21, water storage assembly; 22, temperature controller; 23, array type spray head;

[0020] 31, first driving motor; 32, driving gear; 33, driven gear; 34, second driving motor; 35, vibration table; 36, transmission arm; 37, rotating shaft; 38, supporting arm;

[0021] 41, stretching rod; 42, stepped shaft; 43, bearing; 44, positioning disc; 45, limiting disc; 46, limiting column; 47, sliding block; 48, sliding groove. DETAILED DESCRIPTION

[0022] To describe the technical solutions in the present application in detail, achieve the objectives and effects, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0023] Please refer to Figures 1 to 6 A multi-physical field detection device for circuit breaker spring, comprising a device shell 1, a physical field simulation device 2, a vibration and torsion assembly 3 and a stretching assembly 4.

[0024] The device shell 1 is provided with a fixed point 5 for fixing one end of the spring, the vibration and torsion assembly 3 is located in the device shell 1, and the movable end of the vibration and torsion assembly 3 is arranged opposite to the fixed point 5.

[0025] The stretching assembly 4 is arranged on the movable end of the vibration and torsion assembly 3, the movable end of the stretching assembly 4 is arranged opposite to the fixed point 5, and the stretching assembly 4 is used for stretching the other end of the circuit breaker spring.

[0026] The physical field simulation device 2 is arranged on the device shell 1, and the physical field simulation device 2 is used for simulating the physical environment in which the spring is located.

[0027] From the above description, the beneficial effects of the present application are that a multi-physical field detection device for circuit breaker spring is provided, one end of the circuit breaker spring is fixed on the fixed point 5 in use, and the other end is connected to the stretching assembly 4, the characteristics of the physical environment in which the circuit breaker spring is actually located are simulated by the physical field simulation device 2, and then the circuit breaker spring is stretched, twisted and vibrated in the simulated physical field environment, so as to analyze the working condition of the circuit breaker spring according to the stress condition, deformation condition and the like of the circuit breaker, and the functions of automatic physical scene simulation and spring stretching, twisting and the like are combined, the comprehensiveness and efficiency of the circuit breaker spring condition detection are improved, manual replacement of the detection device is not required, and the applicability is enhanced.

[0028] Further, the physical field simulation device 2 comprises a water storage assembly 21, a temperature controller 22 and an array type spray head 23.

[0029] The array type spray head 23 is distributed and arranged on the four peripheral side walls in the device shell 1, and the water storage assembly 21 is connected to the array type spray head 23 by the temperature controller 22.

[0030] From the above description, the water storage assembly 21, the temperature controller 22 and the array type spray head 23 cooperate with each other to adjust the temperature and humidity conditions in the device shell 1, simulate some physical environments such as humidity, stuffiness and coldness in which the circuit breaker spring is located, and thus accurately detect and evaluate whether the performance of the circuit breaker spring is qualified.

[0031] Further, the water storage assembly 21 includes a pure water tank, a salt water tank and a mixer;

[0032] The water outlet of the pure water tank and the water outlet of the salt water tank are connected with the water inlet of the mixer, and the water outlet of the mixer is connected with the array nozzle 23 through the temperature controller 22.

[0033] As can be seen from the above description, the water storage assembly 21 is provided with a pure water tank and a salt water tank, and a mixer is used to mix pure water and salt water in a certain proportion, which is then sprayed in the equipment shell 1, so as to simulate some areas with large differences in salinity and realize performance detection of circuit breaker springs used in such areas.

[0034] Further, the vibration and torsion assembly 3 includes an electric control rotating assembly and an electric control vibration assembly;

[0035] The electric control rotating assembly is located in the equipment shell 1, the movable end of the electric control rotating assembly towards the fixed point 5 is connected with the electric control vibration assembly, and the movable end of the electric control vibration assembly towards the fixed point 5 is connected with the stretching assembly 4;

[0036] The electric control rotating assembly is used to drive the electric control vibration assembly, the stretching assembly 4 and the circuit breaker spring to rotate.

[0037] As can be seen from the above description, the vibration and torsion assembly 3 is designed according to the functions of vibration and torsion, and the corresponding execution structures are designed to facilitate one-to-one control. Specifically, the electric control vibration assembly is connected with the stretching assembly 4 and the electric control rotating assembly, so that the functions of the equipment and the distribution of the constituent structures have obvious levels, which is convenient for maintenance.

[0038] Further, the electric control rotating assembly includes a first driving motor 31, a driving gear 32 and a driven gear 33.

[0039] The driving gear 32 is arranged on the movable end of the first driving motor 31, the driven gear 33 is rotatably arranged in the equipment shell 1, the driving gear 32 is meshed and connected with the driven gear 33, and the electric control vibration assembly is arranged on one side of the driven gear 33 towards the fixed point 5.

[0040] As can be seen from the above description, the electric control rotating assembly uses the first driving motor 31 as a power source, and transmits power through the meshing relationship between the driving gear 32 and the driven gear 33, so as to flexibly control the direction, speed and stroke of the torsion circuit breaker spring, and the running structure is stable and the control is accurate.

[0041] Further, the electrically-controlled vibration assembly comprises a second driving motor 34, a vibration table 35 and a vibration transmission member;

[0042] The second driving motor 34 is arranged on the movable end of the electrically-controlled rotation assembly towards the fixed point 5, the second driving motor 34 is connected with the vibration table 35 through the vibration transmission member, and one side of the vibration table 35 towards the fixed point 5 is connected with the stretching assembly 4.

[0043] From the above description, it can be seen that the second driving motor 34 is arranged to drive the stretching assembly 4 and the circuit breaker spring to vibrate together through the vibration transmission member and the vibration table 35, and at the same time, the entire electrically-controlled vibration assembly is also driven to rotate synchronously by the electrically-controlled rotation assembly, thereby ensuring that the various simulation functions do not interfere with each other, and assisting in completing the comprehensive detection of the circuit breaker spring.

[0044] Further, the second driving motor 34 is at least two and corresponds to the vibration transmission member one by one, and the vibration transmission member comprises a transmission arm 36, a rotating shaft 37 and a supporting arm 38.

[0045] One end of the transmission arm 36 is connected with the second driving motor 34, and the other end of the transmission arm 36 is rotationally connected with one end of the supporting arm 38 through the rotating shaft 37, and the other end of the supporting arm 38 is hingedly connected with one side of the vibration table 35 away from the stretching assembly 4.

[0046] The supporting arms 38 of all the vibration transmission members are arranged in a ring shape to jointly support the vibration table 35.

[0047] From the above description, it can be seen that the power source is provided by the second driving motor 34, the power signal of the motor is transmitted by the transmission arm 36, the rotating shaft 37 and the supporting arm 38, and the supporting arms 38 corresponding to different second driving motors 34 are arranged at different positions of the vibration table 35, so that different second driving motors 34 can be controlled respectively to drive the supporting arms 38 to move at different speeds and high frequencies in forward and reverse directions, so that the movement of the supporting arms 38 forms a height difference to realize vibration.

[0048] Further, the stretching assembly 4 comprises a stretching rod 41, a stepped shaft 42, a bearing 43, a positioning disc 44 and a limiting connecting piece.

[0049] One end of the stepped shaft 42 is rotationally arranged on one side of the positioning disc 44 away from the fixed point 5 along the circumferential direction of the stepped shaft 42 through the bearing 43, and is connected with the limiting connecting piece, the other end of the stepped shaft 42 is connected with one end of the stretching rod 41, the other end of the stretching rod 41 is arranged on the movable end of the vibration torsion assembly 3, and the limiting connecting piece is arranged towards the fixed point 5.

[0050] From the above description, the positioning disc 44 is taken as the installation base, the stepped shaft 42 is arranged, after the circuit breaker spring is fixed by the limiting connecting piece, the circuit breaker spring is stretched by the cooperation of the stretching rod 41 and the stepped shaft 42, the stepped shaft 42 can rotate relative to the positioning disc 44, the transmission torque is transmitted, and the bearing 43 can reduce the friction coefficient of rotation and improve the control sensitivity.

[0051] Further, the limiting connecting piece comprises a limiting disc 45 and a limiting column 46.

[0052] The limiting disc 45 is arranged on one end of the stretching rod 41 away from the vibration torsion assembly 3, and at least two limiting columns 46 are arranged on one side of the limiting disc 45 away from the stretching rod 41.

[0053] All the limiting columns 46 are used for limiting the circuit breaker spring.

[0054] From the above description, the end of the circuit breaker spring is surrounded by the limiting column 46, the limiting and fixing of the circuit breaker spring are assisted, and convenience is brought to the execution of the twisting, stretching and other actions.

[0055] Further, the limiting connecting piece further comprises a sliding block 47.

[0056] The limiting disc 45 is provided with a sliding groove 48, the limiting column 46 is correspondingly and slidably arranged on the sliding groove 48, and the sliding block 47 is correspondingly arranged on the sliding groove 48.

[0057] The sliding direction of the limiting column 46 is gradually away from or close to the center of the limiting disc 45.

[0058] From the above description, the position of the different limiting columns 46 can be flexibly adjusted by arranging the sliding groove 48 and the sliding block 47, so as to adapt to circuit breaker springs of different sizes, and detection is more convenient.

[0059] Please refer to Figure 1 and Figure 2 , the embodiment one of the present application is:

[0060] A kind of multi-physical field detection equipment for circuit breaker spring, including equipment shell 1, physical field simulation device 2, vibration torsion component 3 and stretching component 4;Fixed point 5 for fixing one end of spring is equipped in equipment shell 1, vibration torsion component 3 is located in equipment shell 1, and the movable end of vibration torsion component 3 is oppositely arranged with fixed point 5;Stretching component 4 is arranged on the movable end of vibration torsion component 3, the movable end of stretching component 4 is oppositely arranged with fixed point 5, and stretching component 4 is used to stretch the other end of circuit breaker spring;Physical field simulation device 2 is arranged on equipment shell 1, and physical field simulation device 2 is used to simulate the physical environment where spring is located.And, fixed point 5 can also be composed of another set of vibration torsion component 3 and stretching component 4, to complete bidirectional stretching, torsion and other test actions.

[0061] In the embodiment, as shown in Figure 2 Physical field simulation device 2 includes water storage component 21, temperature controller 22 and array type shower head 23;Array type shower head 23 is distributed and arranged on the four peripheral sidewalls in equipment shell 1, water storage component 21 includes pure water tank, salt water tank and mixer;The water outlet of pure water tank and the water outlet of salt water tank are connected with the water inlet of mixer, and the water outlet of mixer is connected with array type shower head 23 through temperature controller 22.

[0062] In the embodiment, as shown in Figure 1 The use process of a kind of multi-physical field detection equipment for circuit breaker spring is as follows:

[0063] First, the tester fixes circuit breaker spring between fixed point 5 on the top inside of equipment shell 1 and stretching component 4 below, so that circuit breaker spring remains vertical state;

[0064] Then, according to the environment characteristics where circuit breaker spring is located in actual work, control physical field simulation device 2, such as the environment where circuit breaker spring is located is humid environment, then take water from water storage component 21, and spray water in equipment shell 1 by array type shower head 23, or spray liquid composed of a certain proportion of pure water and salt water to simulate different salinity physical environment;Moreover, on equipment shell 1, temperature controller 22 and other components can be fixed by setting groove and other structures, to improve the rationality of space layout;Physical field simulation device 2 can also use air heater to simulate hot environment and so on.

[0065] Finally, after completing physical field simulation, stretching, twisting and vibration actions can be carried out on circuit breaker spring by vibration torsion component 3 and stretching component 4, and after executing these actions, whether the working condition of circuit breaker spring is qualified can be analyzed by observing the deformation of circuit breaker spring and obtaining stress data and the like.

[0066] Please refer to Figure 3and Figure 4 Embodiment two of the present application is:

[0067] A multi-physical field detection device for circuit breaker spring, on the basis of the above embodiment one, the vibration torsion assembly 3 comprises an electric control rotation assembly and an electric control vibration assembly; the electric control rotation assembly is located in the device shell 1, the movable end of the electric control rotation assembly towards the fixed point 5 is connected with the electric control vibration assembly, the movable end of the electric control vibration assembly towards the fixed point 5 is connected with the stretching assembly 4; the electric control rotation assembly is used to drive the electric control vibration assembly, the stretching assembly 4 and the circuit breaker spring to rotate.

[0068] In this embodiment, the electric control rotation assembly comprises a first driving motor 31, a driving gear 32 and a driven gear 33;

[0069] The driving gear 32 is arranged on the movable end of the first driving motor 31, the driven gear 33 is rotatably arranged in the device shell 1, the driving gear 32 is meshingly connected with the driven gear 33, and the electric control vibration assembly is arranged on one side of the driven gear 33 towards the fixed point 5. In use, the first driving motor 31 drives the driving gear 32 to rotate, and the driving gear 32 drives the driven gear 33 to rotate together. The first driving motor 31 can be detachably connected with the device shell 1 through a detachable part such as a screw.

[0070] In this embodiment, the electric control vibration assembly comprises a second driving motor 34, a vibration table 35 and a vibration transmission member; the second driving motor 34 is arranged on the movable end of the electric control rotation assembly towards the fixed point 5, the second driving motor 34 is connected with the vibration table 35 through the vibration transmission member, and one side of the vibration table 35 towards the fixed point 5 is connected with the stretching assembly 4.

[0071] In this embodiment, the second driving motor 34 is at least two and corresponds to the vibration transmission member one by one, the vibration transmission member comprises a transmission arm 36, a rotating shaft 37 and a support arm 38; one end of the transmission arm 36 is connected with the second driving motor 34, the other end of the transmission arm 36 is rotatably connected with one end of the support arm 38 through the rotating shaft 37, and the other end of the support arm 38 is hingedly connected with one side of the vibration table 35 away from the stretching assembly 4; the support arms 38 of all the vibration transmission members are arranged in a ring shape, and the second driving motor 34 is fixed on the upper surface of the driven gear 33 through a screw, so as to realize that the second driving motor 34 moves simultaneously when the driven gear 33 is twisted, and keeps relatively static; the support arm 38 is used to transmit vibration to the circuit breaker spring, the second driving motor 34, the transmission arm 36, the rotating shaft 37 and the support arm 38 are distributed in a circumferential array on the upper surface of the driven gear 33, three second driving motors 34 drive three support arms 38 to move at different speeds and high frequency, so that the three support arms 38 move to form a height difference, thereby realizing vibration.

[0072] Please refer to Figure 5and Figure 6 Embodiment three of the present application is:

[0073] A multi-physical field detection device for circuit breaker spring, on the basis of the above-mentioned embodiment one or two, the stretching assembly 4 includes a stretching rod 41, a stepped shaft 42, a bearing 43, a positioning disc 44 and a limiting connecting piece; one end of the stepped shaft 42 is rotatably arranged on the far side of the positioning disc 44 away from the fixed point 5 in the circumferential direction of the stepped shaft 42, and is connected with the limiting connecting piece, the other end of the stepped shaft 42 is connected with one end of the stretching rod 41, the other end of the stretching rod 41 is arranged on the movable end of the vibration and torsion assembly 3, and the limiting connecting piece is arranged towards the fixed point 5.

[0074] Wherein, when stretching or compressing the circuit breaker spring, the stepped shaft 42, the positioning disc 44 and the limiting connecting piece are driven by the stretching rod 41 to move synchronously, and the limiting column 46 limits the end of the circuit breaker spring.

[0075] In this embodiment, the limiting connecting piece includes a limiting disc 45, a limiting column 46 and a sliding block 47; the limiting disc 45 is arranged on the end of the stretching rod 41 away from the vibration and torsion assembly 3, and at least two limiting columns 46 are arranged on the far side of the limiting disc 45 away from the stretching rod 41; all the limiting columns 46 are used for limiting the circuit breaker spring together. The limiting connecting piece further includes a sliding block 47; the limiting disc 45 is provided with a sliding groove 48, the limiting column 46 is correspondingly and slidably arranged on the sliding groove 48, and the sliding block 47 is correspondingly arranged on the sliding groove 48; the sliding direction of the limiting column 46 is gradually away from or close to the center of the limiting disc 45. Wherein, by sliding the sliding block 47, the relative distance of each limiting column 46 is adjusted, so that the circuit breaker spring of different sizes can be limited.

[0076] In summary, the multi-physical field detection device for circuit breaker spring provided by the present application can fix one end of the circuit breaker spring on the fixed point and connect the other end with the stretching assembly in use, simulate the characteristics of the physical environment where the circuit breaker spring actually exists through the physical field simulation device, and then realize the stretching, torsion and vibration of the circuit breaker spring through the driving motor and the transmission assembly in the simulated physical field environment, so as to analyze the working condition of the circuit breaker spring according to the stress condition, deformation condition and the like of the circuit breaker, improve the comprehensiveness and efficiency of the condition detection of the circuit breaker spring, and enhance the applicability without manually replacing the detection device one by one.

[0077] The above-mentioned embodiments are only examples of the present application, and do not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in related technical fields based on the content of the specification and drawings of the present application are also included in the patent protection range of the present application.

Claims

1. A multi-physics detection apparatus for a circuit breaker spring, characterized by, The device shell, the physical field simulation device, the vibration and torsion assembly, and the stretching assembly are included. The device shell is internally provided with a fixed point for fixing one end of a spring, the vibration and torsion assembly is located in the device shell, and the movable end of the vibration and torsion assembly is oppositely arranged with the fixed point. The stretching assembly is arranged on the movable end of the vibration and torsion assembly, the movable end of the stretching assembly is oppositely arranged with the fixed point, and the stretching assembly is used for stretching the other end of the circuit breaker spring. The physical field simulation device is arranged on the device shell, and the physical field simulation device is used for simulating the physical environment in which the spring is located. The vibration and torsion assembly includes an electrically controlled rotation assembly and an electrically controlled vibration assembly. The electrically controlled rotation assembly is located in the device shell, the movable end of the electrically controlled rotation assembly is connected with the electrically controlled vibration assembly, and the movable end of the electrically controlled vibration assembly is connected with the stretching assembly. The electrically controlled rotation assembly is used for driving the electrically controlled vibration assembly, the stretching assembly, and the circuit breaker spring to rotate. The electrically controlled rotation assembly includes a first driving motor, a driving gear, and a driven gear. The driving gear is arranged on the movable end of the first driving motor, the driven gear is rotatably arranged in the device shell, the driving gear is meshingly connected with the driven gear, and the electrically controlled vibration assembly is arranged on one side of the driven gear facing the fixed point. The electrically controlled vibration assembly includes a second driving motor, a vibration table, and a vibration transmission member. The second driving motor is arranged on the movable end of the electrically controlled rotation assembly facing the fixed point, the second driving motor is connected with the vibration table through the vibration transmission member, and one side of the vibration table facing the fixed point is connected with the stretching assembly. The second driving motor is at least two and corresponds to the vibration transmission member one by one, and the vibration transmission member includes a transmission arm, a rotating shaft, and a support arm. One end of the transmission arm is connected with the second driving motor, the other end of the transmission arm is rotatably connected with one end of the support arm through the rotating shaft, and the other end of the support arm is hingedly connected with one side of the vibration table away from the stretching assembly. The support arms of all the vibration transmission members are arranged in a ring shape to jointly support the vibration table. The stretching assembly includes a stretching rod, a stepped shaft, a bearing, a positioning disc, and a limiting connecting member. One end of the stepped shaft is rotatably arranged on one side of the positioning disc away from the fixed point through the bearing and is connected with the limiting connecting member, the other end of the stepped shaft is connected with one end of the stretching rod, the other end of the stretching rod is arranged on the movable end of the vibration and torsion assembly, and the limiting connecting member is arranged towards the fixed point. The limiting connecting member includes a limiting disc and a limiting column. The limiting disc is arranged on one end of the stretching rod away from the vibration and torsion assembly, and at least two limiting columns are arranged on one side of the limiting disc away from the stretching rod. All the limiting columns are used for limiting the circuit breaker spring.

2. A multi-physics detection device for a circuit breaker spring according to claim 1, wherein, The physical field simulation device comprises a water storage assembly, a temperature controller and an array type spray head; The array type spray head is distributed on the four peripheral side walls in the equipment shell, and the water storage assembly is connected with the array type spray head through the temperature controller.

3. A multi-physics detection device for a circuit breaker spring according to claim 2, wherein, The water storage assembly comprises a pure water tank, a salt water tank and a mixer. The water outlets of the pure water tank and the salt water tank are connected with the water inlet of the mixer, and the water outlet of the mixer is connected with the array type spray head through the temperature controller.

4. A multi-physics detection device for a circuit breaker spring according to claim 1, wherein, The limiting connector further comprises a sliding block; The limiting disc is provided with a sliding groove, and the limiting columns are correspondingly and slidably arranged on the sliding groove. The sliding direction of the limiting columns is gradually away from or close to the center of the limiting disc.

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