Adjustable electric contact device for density relay

Abstract

The utility model discloses an adjustable electric contact device for a density relay, which belongs to the technical field of electrics, and comprises a bracket assembly, and further comprises an adjusting assembly which is arranged on the bracket assembly and is used for adjusting an alarm value of the density relay; and the pointer is arranged on the bracket assembly, is connected with the adjusting assembly and is used for indicating an alarm value of the density relay. The density relay has the beneficial effects that (1) the alarm value is changed through the adjusting assembly, the density relay can be directly used for adjusting the on-site alarm value, the flexibility of on-site use of the density relay is improved, the density relay is more intelligent, and more requirements of users can be met; (2) the pointer is arranged to indicate the size of an alarm value in real time, adjustment is convenient, man-machine interaction is enhanced, and alarm value information can be mastered conveniently; setting steps in the production process are reduced for customers, the production cost is reduced, meanwhile, the customers can temporarily change the set value at any time, the problem that products are scrapped and replaced does not exist, and the production cost is also reduced.

Description

Technical Field

[0001] The present application relates to the field of electrical technology, and in particular to an adjustable electric contact device for a density relay. Background Art

[0002] Density relay is a relay that monitors gas leakage in sealed containers, and is mainly used for monitoring SF6 gas. The electric contact device is used to connect the density relay, set the alarm function, and provide timely warning to achieve better monitoring effects. It has broad market prospects and a wide range of applications.

[0003] However, the existing electric contact devices have the following defects: currently, electric contact manufacturers adjust the alarm values ​​to the required parameters according to the requirements during the production process, and the alarm values ​​are set in advance during the production process, and then production and product sealing are carried out, and the alarm values ​​cannot be adjusted on-site at the end customer site; currently, domestic density electric contact devices all adopt a pointer-free type, which has no actual indication function in the density relay; the electric contacts are welded dead due to the parameters set in the early stage, and cannot be adjusted, resulting in the product being scrapped and unable to be reused. Summary of the invention

[0004] The purpose of the present application is to provide an electric contact device that can at least solve one of the defects in the above-mentioned background technology.

[0005] To achieve the above purpose, the present application provides an adjustable electric contact device for a density relay, including a bracket assembly, and also including: an adjustment assembly, the adjustment assembly is arranged on the bracket assembly, and is used to adjust the alarm value of the density relay; and a pointer, the pointer is arranged on the bracket assembly, the pointer is connected to the adjustment assembly, and is used to indicate the alarm value of the density relay. Temporary alarm value adjustment through the adjustment assembly is more intelligent and can meet more needs of users; the pointer indicates the alarm value in real time, enhances human-computer interaction, and can easily grasp the alarm value information; at the same time, it can meet the basic action signal output.

[0006] Preferably, the adjustment assembly includes an adjustment knob and an action switch, both of which are connected to the bracket assembly; the adjustment knob is used to adjust the alarm value of the density relay, and the action switch is used to control the locking state and the active state of the adjustment knob. When the adjustment knob needs to be rotated to adjust the alarm value, the action switch is turned on and the adjustment knob enters the active state; when the alarm value is adjusted or the adjustment knob is no longer needed, the action switch is closed and the adjustment knob enters the locked state.

[0007] Preferably, the connecting end of the action switch and the bracket assembly is provided with a first through hole suitable for the adjusting knob to penetrate, and a plurality of the action switches and a plurality of the adjusting knobs are matched and connected through the first through hole. The action switch and the adjusting knob are mortise-and-tenoned through the first through hole, and when the adjusting knob is turned, the action switch will also turn accordingly.

[0008] Preferably, the adjustment assembly further comprises a connecting rod, which is connected to the bracket assembly; the connecting rod is provided with a first column at one end close to the action switch, and the action switch is provided with a second column perpendicular to the first column, and the rotation of the action switch is clamped by the cooperation of the first column and the second column. The clamping cooperation of the first column and the second column prevents the adjustment knob from rotating to the other side.

[0009] Preferably, the connecting end of the pointer and the bracket assembly is provided with a second through hole suitable for the adjusting knob to penetrate, and a plurality of the pointers and a plurality of the adjusting knobs are matched and connected through the second through hole. The pointer and the adjusting knob are mortise-and-tenoned through the second through hole, and when the adjusting knob is turned, the pointer will also rotate accordingly.

[0010] Preferably, the number of the pointers is 2-3, and the number of the adjustment knobs, action switches and connecting rods is consistent with the number of the pointers. The adjustment knobs, action switches, connecting rods and pointers are used in groups and in the same number. The best effect can be achieved with 2-3 pointers, and the effect is poor if the number is less than 2.

[0011] Preferably, the bracket assembly includes a first disc, a second disc and a disc top, wherein the first disc and the disc top are spaced apart and suitable for rotational connection of the pointer; the first disc and the second disc are spaced apart and suitable for rotational connection of the action switch connection end. The first disc, the second disc and the disc top are spaced apart to form a space for connection between the pointer and the action switch, and the disc has a rotation axis to enable the pointer and the action switch to rotate.

[0012] Preferably, the bracket assembly further comprises a third disc group, the third disc group and the second disc are spaced apart to form an open cavity, and the connecting rod is rotatably arranged in the open cavity. The connecting rod is rotatably installed in the open cavity and can be rotated to limit the rotation range of the adjustment knob, so as to prevent the adjustment knob from rotating to the other side.

[0013] Preferably, a torsion spring is installed in the open cavity, and the torsion spring is connected to the connecting rod and is used to limit the rotation of the connecting rod. The torsion spring cannot rotate further after rotating to a certain range, and is used to limit the rotation range of the connecting rod.

[0014] Preferably, a groove is provided on the outer side of the action switch for controlling the rotation of the action switch. The action switch is provided with a groove, and can be operated and rotated by a screwdriver, which facilitates the rotation control of the action switch.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] (1) By adjusting the components to change the alarm value, it can be directly used to adjust the alarm value on site, which improves the flexibility of using density relays on site, is more intelligent, and can meet more needs of users;

[0017] (2) A pointer is provided to instantly indicate the alarm value, which is convenient for adjustment, enhances human-computer interaction, and enables easy grasp of alarm value information;

[0018] (3) Help customers reduce the number of setup steps in the production process and lower production costs. At the same time, customers can temporarily change the set values ​​at any time, eliminating the problem of product scrapping and replacement, which also reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;

[0020] Figure 2 It is a front view of the first embodiment of the utility model;

[0021] Figure 3 It is a top view of the first embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the connection between the pointer and the adjustment component in the first embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the bracket assembly in the first embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the adjustment component in the first embodiment of the present utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the pointer in the first embodiment of the utility model.

[0026] In the figure: 1, adjustment assembly; 2, pointer; 3, bracket assembly; 11, adjustment knob; 12, action switch; 13, connecting rod; 121, first through hole; 122, groove; 123, second cylinder; 131, first cylinder; 21, second through hole; 31, disc top; 32, first disc; 33, second disc; 34, third disc group; 35, torsion spring; 36, open cavity. DETAILED DESCRIPTION

[0027] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0029] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0030] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0031] For ease of understanding, a specific embodiment will be used for illustration below. It should be known that the specific structure of the adjustable electric contact device for the density relay includes but is not limited to the following embodiments.

[0032] Embodiment 1:

[0033] The present application provides an adjustable electric contact device for a density relay, such as Figure 1 , Figure 2 , Figure 3 As shown, it includes: a bracket component 3, an adjustment component 1 and a pointer 2; the adjustment component 1 is arranged on the bracket component 3, and is used to adjust the alarm value of the density relay; the pointer 2 is arranged on the bracket component 3, and the pointer 2 is connected to the adjustment component 1, and is used to indicate the alarm value of the density relay. The temporary alarm value adjustment by the adjustment component 1 improves the flexibility of the on-site use of the density relay, is more intelligent, and can meet more needs of users; the pointer 2 indicates the alarm value in real time, enhances human-computer interaction, is easy to adjust, and can easily grasp the alarm value information; and can also meet the basic action signal output.

[0034] The specific structural features of each component are described below.

[0035] like Figure 5 As shown, the bracket assembly 3 includes a first disc 32, a second disc 33, a disc top 31 and a third disc group 34. The first disc 32 and the disc top 31 are spaced apart and suitable for rotational connection with the pointer 2; the first disc 32 and the second disc 33 are spaced apart and suitable for rotational connection with the action switch connection end. The first disc 32, the second disc 33 and the disc top 31 are spaced apart to form a space for connection between the pointer 2 and the action switch, and the disc has a rotation axis, which can make the pointer 2 and the action switch rotate. The third disc group 34 and the second disc 33 are spaced apart to form an open cavity 36, and the connecting rod is rotatably arranged in the open cavity 36. The connecting rod is rotatably installed in the open cavity 36 and can be rotated to limit the rotation range of the adjustment knob, so as to prevent the adjustment knob from rotating to the other side. A torsion spring 35 is installed in the open cavity 36, and the torsion spring 35 is connected to the connecting rod to limit the rotation of the connecting rod. The torsion spring 35 cannot rotate after rotating to a certain range, so as to limit the rotation range of the connecting rod. It should be known that the structure and installation method of the bracket assembly 3 are well-known technologies to those skilled in the art, and therefore will not be elaborated in detail herein.

[0036] like Figure 4 , Figure 6 As shown, the adjustment assembly 1 includes an adjustment knob 11, an action switch 12 and a connecting rod 13. The adjustment knob 11 and the action switch 12 are both connected to the bracket assembly 3; the adjustment knob 11 is used to adjust the alarm value of the density relay, and the action switch 12 is used to control the locking state and the active state of the adjustment knob 11. When the adjustment knob 11 needs to be rotated to adjust the alarm value, the action switch 12 is turned on and the adjustment knob 11 enters the active state; when the alarm value is adjusted or the adjustment knob 11 is not needed, the action switch 12 is closed and the adjustment knob 11 enters the locking state. The connection end of the action switch 12 and the bracket assembly 3 is provided with a first through hole 121 and is suitable for the adjustment knob 11 to penetrate, and multiple action switches 12 are matched and connected with multiple adjustment knobs 11 through the first through hole 121. The action switch 12 and the adjustment knob 11 are mortised through the first through hole 121. When the adjustment knob 11 is rotated, the action switch 12 will also rotate accordingly. The connecting rod 13 is connected to the bracket assembly 3; the connecting rod 13 is provided with a first column 131 at one end close to the action switch 12, and the action switch 12 is provided with a second column 123 perpendicular to the first column 131. The first column 131 and the second column 123 are engaged to clamp the rotation of the action switch 12. The clamping cooperation between the first column 131 and the second column 123 prevents the adjustment knob 11 from rotating to the other side. A groove 122 is provided on the outside of the action switch 12 for controlling the rotation of the action switch 12. The rotation can be operated with a screwdriver, which is convenient for the rotation control of the action switch 12.

[0037] like Figure 4 , Figure 7 As shown, the connecting end of the pointer 2 and the bracket assembly 3 is provided with a second through hole 21 and is suitable for the adjustment knob 11 to penetrate, and multiple pointers 2 are matched and connected with multiple adjustment knobs 11 through the second through holes 21. The pointer 2 and the adjustment knob 11 are mortised through the second through holes 21, and when the adjustment knob 11 is rotated, the pointer 2 will also rotate accordingly.

[0038] The number of pointers 2 is 2-3, and the number of adjustment knobs 11, action switches 12 and connecting rods 13 is consistent with the number of pointers 2. The adjustment knobs 11, action switches 12, connecting rods 13 and pointers 2 are used in groups, and the number is consistent. The best effect can be achieved with 2-3, and the effect is poor if the number is less than 2.

[0039] Specifically, the connection structure of the adjustable electric contact device for the density relay is described in detail as follows: it includes: a bracket assembly 3, an adjustment assembly 1 and a pointer 2. The adjustment assembly 1 includes an adjustment knob 11, an action switch 12 and a connecting rod 13, and the adjustment knob 11 and the action switch 12 are both connected to the bracket assembly 3; the adjustment knob 11 is used to adjust the alarm value of the density relay, and the action switch 12 is used to control the locking state and the active state of the adjustment knob 11; the connection end of the action switch 12 and the bracket assembly 3 is provided with a first through hole 121 and is suitable for the adjustment knob 11 to enter, and multiple action switches 12 are matched and connected with multiple adjustment knobs 11 through the first through hole 121. The action switch 12 and the adjustment knob 11 are mortised through the first through hole 121. When the adjustment knob 11 is rotated, the action switch 12 will also rotate accordingly. The connecting rod 13 is connected to the bracket assembly 3. The connecting rod 13 is provided with a first column 131 at one end close to the action switch 12. The action switch 12 is provided with a second column 123 perpendicular to the first column 131. The rotation of the action switch 12 is blocked by the cooperation of the first column 131 and the second column 123. The pointer 2 is provided with a second through hole 21 at the connection end with the bracket assembly 3 and is suitable for the adjustment knob 11 to penetrate. Multiple pointers 2 are connected with multiple adjustment knobs 11 through the second through hole 21. The pointer 2 and the adjustment knob 11 are mortised through the second through hole 21. When the adjustment knob 11 is rotated, the pointer 2 will also rotate accordingly. The bracket assembly 3 includes a first disc 32, a second disc 33, a disc top 31 and a third disc group 34. The first disc 32 and the disc top 31 are spaced apart and suitable for rotational connection with the pointer 2; the first disc 32 and the second disc 33 are spaced apart and suitable for rotational connection with the action switch connection end. The first disc 32, the second disc 33 and the disc top 31 are spaced apart to form a space for connection between the pointer 2 and the action switch. At the same time, the disc has a rotation axis, which can make the pointer 2 and the action switch rotate. The third disc group 34 and the second disc 33 are spaced apart to form an open cavity 36, and the connecting rod is rotatably arranged in the open cavity 36. The connecting rod is rotatably installed in the open cavity 36 and can be rotated to limit the rotation range of the adjustment knob to prevent the adjustment knob from rotating to the other side. A torsion spring 35 is installed in the open cavity 36, and the torsion spring 35 is connected to the connecting rod to limit the rotation of the connecting rod.

[0040] The protection point of this application is: adding a pointer part and an adjustment part to the density electric contact device to adjust and indicate the set value, while satisfying the basic action signal output.

[0041] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An adjustable electric contact device for a density relay, comprising a bracket assembly, characterized in that: Also includes: An adjustment component, the adjustment component is arranged on the support component and is used to adjust the alarm value of the density relay; as well as A pointer is arranged on the bracket assembly, the pointer is connected to the adjustment assembly, and is used to indicate the alarm value of the density relay.

2. The adjustable electric contact device for a density relay according to claim 1, characterized in that: The adjustment component includes an adjustment knob and an action switch, both of which are connected to the bracket component; the adjustment knob is used to adjust the alarm value of the density relay, and the action switch is used to control the locking state and active state of the adjustment knob.

3. The adjustable electric contact device for a density relay according to claim 2, characterized in that: The connecting end of the action switch and the bracket assembly is provided with a first through hole suitable for the adjusting knob to penetrate, and a plurality of the action switches and a plurality of the adjusting knobs are matched and connected through the first through hole.

4. The adjustable electric contact device for a density relay according to claim 2 or 3, characterized in that: The adjustment assembly also includes a connecting rod, which is connected to the bracket assembly; the connecting rod is provided with a first column at one end close to the action switch, and the action switch is provided with a second column perpendicular to the first column, and the rotation of the action switch is clamped by the cooperation of the first column and the second column.

5. The adjustable electric contact device for a density relay according to claim 2, characterized in that: The connecting end of the pointer and the bracket assembly is provided with a second through hole suitable for the adjusting knob to penetrate, and a plurality of the pointers and a plurality of the adjusting knobs are matched and connected through the second through hole.

6. The adjustable electric contact device for a density relay according to claim 4, characterized in that: The number of the pointers is 2-3, and the adjustment knob, action switch and connecting rod are consistent with the number of the pointers.

7. The adjustable electric contact device for a density relay according to claim 4, characterized in that: The bracket assembly includes a first disc, a second disc and a disc top, wherein the first disc and the disc top are spaced apart and suitable for rotational connection with the pointer; the first disc and the second disc are spaced apart and suitable for rotational connection with the action switch connection end.

8. The adjustable electric contact device for a density relay according to claim 7, characterized in that: The support assembly further comprises a third disk group, wherein the third disk group and the second disk are spaced apart to form an open cavity, and the connecting rod is rotatably disposed in the open cavity.

9. The adjustable electric contact device for a density relay according to claim 8, characterized in that: A torsion spring is installed in the open cavity, and the torsion spring is connected to the connecting rod to limit the rotation of the connecting rod.

10. The adjustable electric contact device for a density relay according to claim 2, characterized in that: A groove is arranged on the outer side of the action switch for controlling the rotation of the action switch.

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