Suspension cable type acceleration switch
Through the design of suspension cable-type acceleration switches, suspended wires and positioning parts are used to fix mass blocks, an acceleration switch with simple structure and diverse functions under low cost conditions is realized, which is suitable for the consumer market.
Patent Information
- Application Number
- CN202422393290.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing acceleration switches are complex in low-cost large-scale consumer application scenarios, complex manufacturing processes, and high costs, and cannot meet performance requirements.
The suspension acceleration switch is adopted to fix the mass through the suspended wire and the positioning member. The movement of the mass and the contact state of the spring contact change when the suspended wire is pulled off to achieve on-off control, providing one-way, normally open, normally closed and normally open and normally closed combined switch selection.
It realizes an acceleration switch with a simple structure, low cost and suitable for large-scale production, and has one-way acceleration detection function to meet the needs of the consumer market.
Smart Images
Figure CN223193703U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a suspension cable type acceleration switch, belonging to the technical field of acceleration switches. Background Art
[0002] With the rapid development of modern industry and technology, the demand for precision control and automation is growing. In many automated control systems, accelerometers are key components whose performance directly affects the system's response speed and stability.
[0003] Currently, accelerometer switches are mainly used in machinery, electronics, automobiles, military, aerospace and other fields. The technical requirements for accelerometer switches are high, resulting in complex structures, complex manufacturing processes, large sizes, and high costs. They are not suitable for use in low-cost, large-scale manufactured consumer products.
[0004] Most of the existing acceleration switches on the market are based on traditional mechanical or electromagnetic principles, or on MEMS with complex processes. These principles cannot meet the performance requirements in low-cost large-scale consumer application scenarios and are not suitable for large-scale consumer applications. Utility Model Content
[0005] The purpose of the utility model is to provide a suspension cable type acceleration switch which has low manufacturing cost and is suitable for large-scale use in the general consumer market.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0007] A suspension-type acceleration switch comprises a housing and a mass; a spring contact is provided within the housing, and the spring contact extends outside the housing via a lead wire; the mass is fixed within the housing using a suspension wire and a positioning member; after the suspension wire is broken by acceleration, the mass moves in the opposite direction of the acceleration, and the contact state between the mass block and the spring contact changes, thereby changing the on-off state of the switch; the mass block is a conductor.
[0008] Further improvements of this technical solution are as follows: the acceleration switch is unidirectional; the mass block is fixed in the housing using a suspension wire and a rigid positioning member; and the rigid positioning member and the suspension wire are arranged in the same direction.
[0009] A further improvement of this technical solution is as follows: the acceleration switch is normally open; two spring contacts are set at one end of the shell, and the mass block and the two spring contacts are in a non-contact state under normal conditions; after the suspension wire is broken by acceleration, the mass block moves until it contacts the two spring contacts at the same time.
[0010] A further improvement of this technical solution is as follows: the acceleration switch is normally open; a spring contact is provided at one end inside the housing; an elastic lead wire is provided at one end of the mass block; the spring contact and the elastic lead wire are located at both ends of the housing; in a normal state, the spring contact and the mass block are in a non-contact state, and after the suspension wire is broken by acceleration, the mass block moves to contact the spring contact.
[0011] Further improvements to this technical solution are as follows: the acceleration switch is normally closed; two spring contacts are respectively arranged at both ends of the housing; under normal conditions, the mass block is in contact with the two spring contacts; after the suspension wire is broken by acceleration, the mass block moves to a state of contact with one spring contact and non-contact with the other spring contact.
[0012] Further improvements to this technical solution are as follows: the acceleration switch is a unidirectional and normally open / normally closed combination switch; two groups of four spring contacts are provided, namely, normally closed spring contacts and normally open spring contacts; a group of spring contacts is provided at each end of the housing; in the normal state, the mass block contacts the normally closed spring contact and is not in contact with the normally open spring contact; after the suspension wire is broken by acceleration, the mass block moves to contact the normally open spring contact and is not in contact with the normally closed spring contact.
[0013] A further improvement of the technical solution is that the two spring contacts in the same group are respectively located on the inner side walls of the housing and are arranged opposite to each other.
[0014] A further improvement of the technical solution is that: of the two spring contacts in the same group, one spring contact is located on the inner side wall of the shell, and the other spring contact is located on the inner end side of the shell.
[0015] Due to the adoption of the above technical solution, the technical effects achieved by the utility model are as follows:
[0016] This utility model is a cable-suspended acceleration switch. A mass is secured by a suspension wire and a positioning member. The suspension wire can be broken, allowing the mass to move. The switch also features multiple spring contacts that cooperate with the mass to control the on / off state of the circuit. During operation, the suspension wire of the acceleration switch breaks when the acceleration exceeds a threshold, causing the mass to move and change its contact state with the spring contacts, thus enabling on / off control of the acceleration switch.
[0017] The mass block of this utility model is fixed by a suspension wire and a rigid positioning member. The acceleration switch has a unidirectional acceleration detection function. By setting different relative positions between the mass block and the spring contact, it can be configured into normally open, normally closed, and a combination of normally open and normally closed modes, providing users with a variety of options.
[0018] The acceleration switch of the utility model has a simple structure, a simple production process, and uses readily available original parts, is easy to process and manufacture, has low production cost and low use cost, and is suitable for large-scale consumer use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of Example 1 of the utility model;
[0020] Figure 2 This is a schematic diagram of Example 2 of the present utility model;
[0021] Figure 3 This is a schematic diagram of Example 3 of the present utility model;
[0022] Figure 4 This is a schematic diagram of Example 4 of the present utility model;
[0023] Figure 5 This is a schematic diagram of another arrangement of the spring contacts of the utility model;
[0024] Among them, 1. shell, 2. mass block, 3. spring contact, 4. suspension wire, 5. positioning part, 6. lead wire, 7. cover plate, 8. elastic lead wire. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention 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. Therefore, they cannot be understood as a limitation on the present invention.
[0027] The utility model is a suspension cable type acceleration switch. The acceleration switch suspends a mass block through a suspension wire, has low manufacturing cost and is a disposable part.
[0028] like Figure 1-Figure 5 As shown, the acceleration switch includes a housing 1 and a mass 2. The mass 2 is fixed in the housing 1 using suspension wires 4. Both ends of the housing 1 are sealed with cover plates 7. The housing 1 is typically a cylindrical structure, such as a circular cylinder, a rectangular column, or a prism.
[0029] A spring contact 3 is disposed within the housing 1. A lead wire 6 extends through the housing 1 and outwardly connects the spring contact 3 to a circuit. The lead wire 6 is a conductive wire. Both the spring contact 3 and the mass 2 are conductors. The spring contact 3 is made of a spring sheet.
[0030] The mass 2 is secured within the housing 1 using a suspension wire 4. The suspension wire 4 is connected to one end of the mass 2 and limits its movement in one direction. A positioning member 5 is also provided to limit its movement in the other direction. The suspension wire 4 and positioning member 5 cooperate to position the mass 1 within the housing 1. During acceleration, the mass 2 tends to move in the opposite direction of the acceleration. When the acceleration reaches a certain value, the suspension wire breaks. After the suspension wire 4 breaks, the mass moves in the opposite direction of the acceleration, changing its contact with the spring contact 3. This can alter the on / off state of the spring contact 3, thereby changing the on / off state of the switch.
[0031] In a specific implementation, the cable-suspended accelerometer is configured as a unidirectional accelerometer, meaning it responds only to acceleration in a single direction. The unidirectional accelerometer utilizes a mass 2 secured within a housing 1 using a suspension wire 4 and a rigid retainer. The retainer restricts the movement of the mass 2 in a single direction. As shown in the figure, the retainer is positioned in the same direction as the suspension wire 4 at the same end, limiting the movement of the mass 2 in the direction of acceleration.
[0032] In a specific implementation, the acceleration switch can be set to a normally open type, a normally closed type, or a combination of a normally open and normally closed type. The following is an explanation using a specific embodiment: Example
[0033] The acceleration switch is normally open. Figure 1 As shown, two spring contacts 3 are positioned at one end of the housing 1, and the mass 2 is secured within the housing 1 using suspension wires 4 and rigid retaining members. Under normal conditions, the mass 2 and the two spring contacts 3 are in a non-contact state, and the two spring contacts 3 are disconnected. At the beginning of acceleration, the mass 2, due to inertia, tends to move in the opposite direction of the acceleration. At this point, the suspension wires 4 are subjected to tension. As the acceleration increases, the tension on the suspension wires 4 gradually increases. When the acceleration reaches a threshold, the suspension wires 4 break. After the suspension wires 4 break, the mass 2 moves in the opposite direction of the acceleration until it contacts both spring contacts 3 simultaneously, connecting them. Example
[0034] The acceleration switch is normally open. Figure 2As shown, this structure is provided with a spring contact 3 and an elastic lead wire 8. The spring contact 3 and the elastic lead wire are respectively arranged at opposite ends of the housing 1. The mass 2 is fixed within the housing 1 using a suspension wire 4 and a rigid retaining member. Furthermore, the elastic lead wire 8 is connected to the end of the mass 2 where the suspension wire 4 is arranged, extending outward through the housing 1. Under normal conditions, the spring contact 3 and the mass 2 are in a non-contact state, and the connection between the spring contact 3 and the elastic lead wire 8 is disconnected. When acceleration begins, the mass 2 tends to move in the opposite direction of the acceleration due to inertia, and the suspension wire 4 is subjected to tension. As the acceleration increases, the tension on the suspension wire 4 gradually increases. When the acceleration reaches a threshold, the suspension wire 4 breaks. After the suspension wire 4 breaks, the mass 2 moves in the opposite direction of the acceleration until it contacts the spring contact 3 at the other end. At this point, the elastic lead wire 8 and the spring contact 3 are connected through the mass 2. Example
[0035] The acceleration switch is normally closed. Figure 3 As shown, two spring contacts 3 are positioned at opposite ends of the housing 1, and the mass 2 is secured within the housing 1 using suspension wires 4 and rigid retaining members. Under normal conditions, both ends of the mass 2 are in contact with the two spring contacts 3, and the two spring contacts 3 are in a closed state. At the onset of acceleration, inertia causes the mass 2 to move in the opposite direction of the acceleration, placing tension on the suspension wires 4. As the acceleration increases, the tension on the suspension wires 4 gradually increases. When the acceleration reaches a threshold, the suspension wires 4 break. After the suspension wires break, the mass 2 moves in the opposite direction of the acceleration, until it is in contact with one of the spring contacts 3 and out of contact with another. Specifically, the mass 2 is out of contact with the spring contact closest to the suspension wires 4 and in contact with the spring contact farther from the suspension wires. At this point, the two spring contacts 3 are in an open state. Example
[0036] The acceleration switch is a normally open and normally closed combination switch. Figure 4As shown, the acceleration switch has two groups of four spring contacts 3, one for normally closed spring contacts and one for normally open spring contacts. Each of the normally closed and normally open spring contacts consists of two spring contacts. A group of spring contacts 3, one for normally closed spring contacts and one for normally open spring contacts, is provided at each end of the interior of the housing 1. The mass 2 is secured within the housing 1 using suspension wires 4 and rigid retaining members. Under normal conditions, contact between the mass 2 and the normally closed spring contacts closes the normally closed spring contacts, while non-contact between the mass 2 and the normally open spring contacts opens the normally open spring contacts. At the onset of acceleration, the mass 2, due to inertia, tends to move in the opposite direction of the acceleration, at which point the suspension wires 4 are subjected to tension. When the acceleration increases, the tension on the suspension wire 4 gradually increases. When the acceleration increases to a threshold value, the suspension wire 4 is broken. After the suspension wire 4 is broken, the mass block 2 moves in the opposite direction of the acceleration. The mass block 2 moves to contact the normally open spring contact and is not in contact with the normally closed spring contact. At this time, the normally open spring contact becomes closed and connected, and the normally closed spring contact becomes disconnected.
[0037] In this technical solution, spring contacts are used as switch contacts, and two matching spring contacts 3 are set in the same group. Specifically, the two spring contacts in the same group are usually set on the inner side wall of the housing 1 and are arranged horizontally opposite to each other, such as Figure 1-Figure 4 Alternatively, the two spring contacts 3 of the same group can be set to a non-horizontal corresponding state. In this case, one of the spring contacts 3 is located on the inner side wall of the housing 1, and the other spring contact 3 is located on the inner end side of the housing 1, as shown in FIG. Figure 5 The above two configurations of the spring contacts can both ensure the coordination between the mass block and the spring contacts.
[0038] The accelerometer's wire breaks during use. The force required to break the wire is the activation threshold of the accelerometer. This threshold can be adjusted by selecting different wires. This accelerometer is used in the consumer market and has relatively low precision, but it is low-cost and suitable for large-scale production and application.
[0039] This utility model uses suspension wires and positioning elements to secure the mass, enabling it to detect acceleration in one direction. A switch with spring contacts coordinates with the mass for on / off control. When the acceleration exceeds a threshold, the suspension wires of the acceleration switch are severed, causing the mass to move and change its contact state with the spring contacts, thus enabling on / off control of the acceleration switch.
[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A cable-type acceleration switch, characterized in that: The invention comprises a housing (1) and a mass block (2); a spring contact (3) is provided in the housing (1), and the spring contact (3) is extended to the outside of the housing (1) by a lead wire (6); the mass block (2) is fixed in the housing (1) by a suspension wire (4) and a positioning member (5); after the suspension wire is broken by acceleration, the mass block (2) moves in the opposite direction of the acceleration, and the contact state between the mass block (2) and the spring contact (3) changes, thereby realizing the change of the on-off state of the switch; the mass block (2) is a conductor.
2. The cable-type acceleration switch according to claim 1, characterized in that: The acceleration switch is a unidirectional type; the mass block (2) is fixed in the housing (1) using a suspension wire (4) and a rigid positioning piece; the rigid positioning piece and the suspension wire (4) are arranged in the same direction.
3. The cable-type acceleration switch according to claim 2, characterized in that: The acceleration switch is of a normally open type; two spring contacts (3) are arranged at one end of the housing (1); in a normal state, the mass block (2) and the two spring contacts (3) are in a non-contact state; after the suspension wire (4) is broken by acceleration, the mass block (2) moves to contact the two spring contacts (3) at the same time.
4. The cable-suspended acceleration switch according to claim 2, characterized in that: The acceleration switch is of a normally open type; a spring contact (3) is provided at one end of the housing (1); an elastic lead wire (8) is provided at one end of the mass block (2); the spring contact (3) and the elastic lead wire (8) are located at both ends of the housing; in a normal state, the spring contact (3) and the mass block (2) are in a non-contact state; after the suspension wire (4) is broken by acceleration, the mass block (2) moves to contact the spring contact (3).
5. The cable-suspended acceleration switch according to claim 2, characterized in that: The acceleration switch is a normally closed type; two spring contacts (3) are respectively arranged at two ends of the housing (1); in a normal state, the mass block (2) is in contact with the two spring contacts (3); after the suspension wire (4) is broken by acceleration, the mass block (2) moves to a state of contact with one spring contact (3) and a state of non-contact with the other spring contact (3).
6. The cable-type acceleration switch according to claim 2, characterized in that: The acceleration switch is a one-way and normally open / normally closed combination switch; the spring contacts (3) are arranged in two groups of four, namely the normally closed spring contacts and the normally open spring contacts; a group of spring contacts (3) is arranged at each end of the housing (1); in a normal state, the mass block (2) contacts with the normally closed spring contacts and does not contact with the normally open spring contacts; after the suspension wire (4) is broken by acceleration, the mass block (2) moves to contact with the normally open spring contacts and does not contact with the normally closed spring contacts.
7. The cable-suspended acceleration switch according to any one of claims 1 to 6, characterized in that: Two spring contacts (3) in the same group are respectively located on the inner side walls of the housing (1) and are arranged opposite to each other.
8. The cable-suspended acceleration switch according to any one of claims 1 to 6, characterized in that: Two spring contacts (3) of the same group are matched, wherein one spring contact (3) is located on the inner side wall of the housing (1), and the other spring contact (3) is located on the inner end side of the housing (1).