Testing device for preventing electronic anti-theft lock from being opened by high-intensity magnetic field
By designing a test device including frame, electronic anti-theft lock fixture and magnetic rod fixture, the problem of electronic anti-theft lock opening under a strong magnetic field is solved, and effective evaluation and improvement of the anti-theft lock performance of electronic anti-theft lock is achieved.
Patent Information
- Application Number
- CN202420506413.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-15
AI Technical Summary
Existing electronic anti-theft locks are easily opened by strong magnetic fields, and there is a lack of appropriate testing devices to evaluate their anti-strong magnetic field performance.
An electronic anti-theft lock anti-strong magnetic field opening test device is designed, including a frame, an electronic anti-theft lock fixture and a magnetic rod fixture. By adjusting the magnetic flux between the magnetic rod fixtures, the electronic anti-theft lock is placed in a strong magnetic field to prevent the strong magnetic field. Turn on the test.
The test device is simple in structure and low in cost. It is suitable for a variety of electronic anti-theft lock specifications. It can effectively evaluate its anti-strong magnetic field performance and improve the safety of electronic anti-theft locks.
Smart Images
Figure CN222506459U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of security, in particular to a strong magnetic field-proof opening test device for an electronic anti-theft lock. Background Art
[0002] Electronic anti-theft locks are locks that electronically identify and process relevant information and control the actuator to open and close and reach the specified security level. They are widely used in residences, office buildings, hotels, schools, hospitals and other places to protect people's property safety and personal privacy. However, general electronic anti-theft locks are easily affected by magnetic fields and affect their safety. In particular, strong magnetic fields may cause electronic anti-theft locks to open, which will seriously affect people's property safety and personal privacy. In order to improve the safety performance of electronic anti-theft locks, it is best to perform corresponding strong magnetic field opening tests during the production process of electronic anti-theft locks. However, there is currently a lack of corresponding test equipment to perform strong magnetic field opening tests on electronic anti-theft locks.
[0003] Therefore, it is necessary to provide a new technical solution to solve the above technical problems. Utility Model Content
[0004] The utility model provides an electronic anti-theft lock anti-strong magnetic field opening test device, aiming to provide an electronic anti-theft lock anti-strong magnetic field opening test device, so as to perform anti-strong magnetic field opening test on the electronic anti-theft lock.
[0005] The utility model provides an electronic anti-theft lock anti-strong magnetic field opening test device, comprising:
[0006] frame;
[0007] An electronic anti-theft lock clamp, used for clamping the electronic anti-theft lock, fixedly mounted on the frame and located in the middle of the frame;
[0008] A magnetic rod clamp, used for clamping the magnetic rod, is slidably mounted on the frame and is located on two opposite sides of the electronic anti-theft lock clamp;
[0009] Wherein, a magnetic field is formed between the two magnetic bars on opposite sides of the electronic anti-theft lock fixture, and the electronic anti-theft lock is placed in the magnetic field. The magnetic flux between the two magnetic bars is adjusted to perform a strong magnetic field opening test on the electronic anti-theft lock.
[0010] Optionally, the electronic anti-theft lock fixture is provided with a first mounting hole, the first mounting hole penetrates the electronic anti-theft lock fixture along the thickness direction of the electronic anti-theft lock fixture, and the electronic anti-theft lock is fixed to the electronic anti-theft lock fixture through the first mounting hole.
[0011] Optionally, the frame includes a frame body and at least two support members, at least two of the support members are installed on the frame body along a first direction, and at least two of the support members are respectively located on opposite sides of the electronic anti-theft lock clamp, and the magnetic rod clamp is slidably installed on the support members along the first direction.
[0012] Optionally, a second mounting hole is provided on the magnetic rod clamp, the magnetic rod is fixed to the magnetic rod clamp through the second mounting hole, and the axial direction of the magnetic rod is arranged along a second direction, wherein the first direction and the second direction are perpendicular to each other.
[0013] Optionally, the magnetic rod clamp includes two clamping plates and a connecting plate, the two clamping plates are arranged opposite to each other along the second direction, the connecting plate is located between the two clamping plates, and the two ends of the connecting plates are respectively slidably connected to the clamping plates, and a sliding portion is provided on the side of the connecting plate facing away from the electronic anti-theft lock clamp, and the magnetic rod clamp is slidably installed on the support member through the sliding portion.
[0014] Optionally, each of the clamping plates is provided with a mounting groove extending along a third direction, and both ends of the connecting plate are slidably connected to the mounting grooves of the two clamping plates, respectively, and the third direction is perpendicular to the first direction and the second direction, respectively; by adjusting the positions of the two clamping plates relative to the connecting plates in the third direction, the magnetic flux at the location of the electronic anti-theft lock can be adjusted.
[0015] Optionally, one end of each clamping plate close to the electronic anti-theft lock clamp is a clamping portion, and the clamping portion includes a first clamping member and a second clamping member arranged opposite to each other along a first direction, and a first groove and a second groove are respectively provided on opposite sides of the first clamping member and the second clamping member, and the first groove and the second groove are combined to form the second mounting hole.
[0016] Optionally, a first through hole penetrating the first clamping member along a first direction is provided inside the first clamping member, and a threaded hole extending along the first direction is provided inside the second clamping member, the threaded hole is arranged corresponding to the first through hole, and a fastener is sequentially passed through the first through hole and the threaded hole, and the distance between the first clamping member and the second clamping member is changed by adjusting the fastener, thereby adjusting the tightness of the clamping part clamping the magnetic rod.
[0017] Optionally, the first clamping member is detachably mounted on the second clamping member via the fastener.
[0018] Optionally, the frame, the electronic anti-theft lock fixture and the magnetic bar fixture are all made of non-magnetic materials.
[0019] The above technical solution of the utility model has the following beneficial effects:
[0020] The utility model provides an electronic anti-theft lock anti-strong magnetic field opening test device, by arranging an electronic anti-theft lock clamp at the central position inside a frame, the electronic anti-theft lock clamp is used to clamp the electronic anti-theft lock; and magnetic rod clamps are arranged on the opposite sides of the electronic anti-theft lock clamp, the magnetic rod clamps are slidably installed on the frame, and are used to clamp the magnetic rods; the electronic anti-theft lock is placed in the magnetic field formed between the two magnetic rods by moving the magnetic rod clamps on both sides, and the anti-strong magnetic field opening test of the electronic anti-theft lock is achieved by adjusting the magnetic flux between the two magnetic rods. The test device has a simple structure and low cost, and is suitable for anti-strong magnetic field opening tests of electronic anti-theft locks of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0022] Figure 1 A three-dimensional diagram of a strong magnetic field-proof opening test device for an electronic anti-theft lock provided by an embodiment of the utility model;
[0023] Figure 2 A side view of a device for testing the electronic anti-theft lock against strong magnetic field opening provided by an embodiment of the utility model;
[0024] Figure 3 for Figure 1 Schematic diagram of the structure of the clamping plate shown in.
[0025] Reference numerals:
[0026] 1. Frame; 2. Electronic anti-theft lock fixture; 3. Magnetic rod fixture; 4. Magnetic rod; 5. Electronic anti-theft lock; 6. Lock plate; 31. Connecting plate; 32. Clamping plate; 311. Sliding part; 101. Support member; 201. First mounting hole; 301. Second mounting hole; 321. Mounting groove; 322. First clamping member; 323. Second clamping member; 324. Fastener; 3221. First groove; 3222. First through hole; 3231. Second groove; 3232. Threaded hole. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1 and Figure 2 The utility model provides an electronic anti-theft lock anti-strong magnetic field opening test device, comprising a frame 1, an electronic anti-theft lock fixture 2 and a magnetic rod fixture 3. The frame 1 can be a square frame structure. The electronic anti-theft lock fixture 2 is fixedly installed on the frame 1 and is used to clamp the electronic anti-theft lock 5. The electronic anti-theft lock fixture 2 is located in the middle of the frame 1. The magnetic rod fixture 3 is slidably installed on the frame 1 and is located on opposite sides of the electronic anti-theft lock fixture 2. The magnetic rod fixture 3 is used to clamp the magnetic rod 4.
[0029] The electronic anti-theft lock fixture 2 is provided with a first mounting hole 201 which penetrates the electronic anti-theft lock fixture 2 along the thickness direction of the electronic anti-theft lock fixture 2 . The electronic anti-theft lock 5 is fixed on the electronic anti-theft lock fixture 2 through the first mounting hole 201 .
[0030] A magnetic field is formed between two magnetic bars 4 on opposite sides of the electronic anti-theft lock fixture 2, and the electronic anti-theft lock 5 is placed in the magnetic field. The magnetic flux between the two magnetic bars 4 is adjusted to perform a strong magnetic field opening test on the electronic anti-theft lock 5.
[0031] Among them, the frame 1 includes a frame body and at least two support members 101, at least two support members 101 are installed on the frame body along a first direction, and at least two support members 101 are respectively located on opposite sides of the electronic anti-theft lock clamp 2, and the magnetic rod clamp 3 is slidably installed on the support members 101 along the first direction.
[0032] In one embodiment, the frame 1 includes four support members 101 , which are symmetrically arranged on opposite sides of the electronic anti-theft lock fixture 2 , and a magnetic rod fixture 3 is slidably installed on the two support members 101 , thereby increasing the stability of the magnetic rod fixture 3 .
[0033] In one embodiment, the frame body may be an industrial aluminum alloy profile, and the support member 101 may be a stainless steel tube.
[0034] See also Figure 1 and Figure 3The magnetic rod clamp 3 includes two clamping plates 32 and a connecting plate 31. The two clamping plates 32 are arranged opposite to each other along the second direction. The connecting plate 31 is located between the two clamping plates 32, and the two ends of the connecting plate 31 are respectively slidably connected to the clamping plates 32. A sliding portion 311 is provided on the side of the connecting plate 31 facing away from the electronic anti-theft lock clamp 2. The magnetic rod clamp 3 is slidably installed on the support 101 through the sliding portion 311.
[0035] The magnetic rod fixture 3 is provided with a second mounting hole 301 , and the magnetic rod 4 is fixed on the magnetic rod fixture 3 through the second mounting hole 301 , and the axial direction of the magnetic rod 4 is arranged along the second direction, wherein the first direction and the second direction are perpendicular to each other.
[0036] The electronic anti-theft lock anti-strong magnetic field opening test device provided in this embodiment has a frame 1 with stainless steel pipes as support members 101 on both sides to connect the magnetic rod clamp 3. The magnetic rod clamp 3 can move in four directions on the stainless steel pipe, front, back, left, and right. The middle part of the frame 1 is the electronic anti-theft lock clamp 2 for installing the electronic anti-theft lock 5. The first installation hole 201 has been prefabricated in the middle of the electronic anti-theft lock clamp 2, which can simulate the normal installation and use status of various electronic anti-theft locks. A lock plate 6 is provided at one end of the lock head of the electronic anti-theft lock 5. The frame 1, the electronic anti-theft lock clamp 2 and the magnetic rod clamp 3 are all made of non-magnetic materials to avoid mutual interference of magnetic fields. The relative positions of the two magnetic rods 4 are adjusted by adjusting the magnetic rod clamp 3 in the third direction (front and back direction). The magnetic flux meter is used to measure and determine the magnetic rod position where the magnetic flux at the position of the electronic anti-theft lock 5 is the target value (such as a strong magnetic field of 0.5T) and mark it. During the test, the magnetic rod fixture 3 is slid in the first direction (left and right) to adjust the change of the magnetic flux at the position of the electronic anti-theft lock 5, and when it slides to the marked position, it is observed whether the electronic anti-theft lock 5 is opened.
[0037] See also Figure 3 Each clamping plate 32 is provided with a mounting groove 321 extending along the third direction, and both ends of the connecting plate 31 are slidably connected to the mounting grooves 321 of the two clamping plates 32, respectively. The third direction is perpendicular to the first direction and the second direction. By adjusting the positions of the two clamping plates 32 relative to the connecting plate 31 in the third direction, the magnetic flux at the position of the electronic anti-theft lock can be adjusted.
[0038] In one embodiment, both ends of the connecting plate 31 are connected with adjusting bolts, which are inserted into the mounting grooves 321 and connected to the end faces of the connecting plate 31. When adjusting the position of the magnetic rod 4 along the third direction, the adjusting bolts at both ends of the connecting plate 31 can be loosened, and then the two clamping plates 32 are slid. When the magnetic rod 4 moves to a preset position along the third direction, the adjusting bolts at both ends of the connecting plate 31 are tightened and fixed.
[0039] Among them, one end of each clamping plate 32 close to the electronic anti-theft lock clamp 2 is a clamping part, and the clamping part includes a first clamping member 322 and a second clamping member 323 arranged opposite to each other along a first direction, and the first clamping member 322 and the second clamping member 323 are respectively provided with a first groove 3221 and a second groove 3231 on the opposite sides, and the first groove 3221 and the second groove 3231 are combined to form a second mounting hole 301.
[0040] The first clamping member 322 is detachably mounted on the second clamping member 323 by means of a fastener 324 (such as a screw). The first clamping member 322 is provided with a first through hole 3222 penetrating the first clamping member 322 along the first direction, and the second clamping member 323 is provided with a threaded hole 3232 extending along the first direction. The threaded hole 3232 is arranged corresponding to the first through hole 3222, and the fastener 324 is sequentially penetrated in the first through hole 3222 and the threaded hole 3232. The distance between the first clamping member 322 and the second clamping member 323 is changed by adjusting the fastener 324, thereby adjusting the tightness of the clamping portion clamping the magnetic rod 4.
[0041] During the specific operation of the electronic anti-theft lock anti-strong magnetic field opening test device of this embodiment, the electronic anti-theft lock 5 is first installed on the electronic anti-theft lock fixture 2; then the magnetic bar fixture 3 is adjusted to a suitable position along the third direction and fixed; then the fastener 324 on the side of the magnetic bar fixture 3 is loosened, and the fastener 324 is tightened after the magnetic bar 4 is installed; finally, the magnetic bar fixture 3 installed on both sides is slid along the first direction to observe whether the electronic anti-theft lock is opened.
[0042] The testing device of the utility model can meet the testing requirements for the opening of the strong magnetic field protection technology in GA374-2019. The testing device has a simple structure, is easy to install, occupies a small space, has strong adaptability to product types, and is easy to operate.
[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A device for testing the opening of an electronic anti-theft lock against a strong magnetic field, characterized in that: include: frame; An electronic anti-theft lock clamp, used for clamping the electronic anti-theft lock, fixedly mounted on the frame and located in the middle of the frame; A magnetic rod clamp, used for clamping the magnetic rod, is slidably mounted on the frame and is located on two opposite sides of the electronic anti-theft lock clamp; Wherein, a magnetic field is formed between the two magnetic bars on opposite sides of the electronic anti-theft lock fixture, and the electronic anti-theft lock is placed in the magnetic field. The magnetic flux between the two magnetic bars is adjusted to perform a strong magnetic field opening test on the electronic anti-theft lock.
2. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 1 is characterized in that: The electronic anti-theft lock fixture is provided with a first mounting hole, which penetrates the electronic anti-theft lock fixture along the thickness direction of the electronic anti-theft lock fixture, and the electronic anti-theft lock is fixed to the electronic anti-theft lock fixture through the first mounting hole.
3. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 1 is characterized in that: The frame includes a frame body and at least two support members, at least two of the support members are installed on the frame body along a first direction, and at least two of the support members are respectively located on opposite sides of the electronic anti-theft lock clamp, and the magnetic rod clamp is slidably installed on the support members along the first direction.
4. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 3 is characterized in that: The magnetic rod fixture is provided with a second mounting hole, the magnetic rod is fixed on the magnetic rod fixture through the second mounting hole, and the axial direction of the magnetic rod is arranged along a second direction, wherein the first direction and the second direction are perpendicular to each other.
5. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 4 is characterized in that: The magnetic rod clamp includes two clamping plates and a connecting plate, the two clamping plates are arranged opposite to each other along the second direction, the connecting plate is located between the two clamping plates, and the two ends of the connecting plate are respectively slidably connected to the clamping plates, and a sliding part is provided on the side of the connecting plate facing away from the electronic anti-theft lock clamp, and the magnetic rod clamp is slidably installed on the support member through the sliding part.
6. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 5 is characterized in that: Each of the clamping plates is provided with a mounting groove extending along a third direction, and the two ends of the connecting plate are respectively slidably connected to the mounting grooves of the two clamping plates, and the third direction is respectively perpendicular to the first direction and the second direction; by adjusting the positions of the two clamping plates relative to the connecting plate in the third direction, the magnetic flux at the position of the electronic anti-theft lock can be adjusted.
7. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 6, characterized in that: One end of each clamping plate close to the electronic anti-theft lock clamp is a clamping portion, and the clamping portion includes a first clamping member and a second clamping member arranged opposite to each other along a first direction, and a first groove and a second groove are respectively provided on opposite sides of the first clamping member and the second clamping member, and the first groove and the second groove are combined to form the second mounting hole.
8. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 7, characterized in that: A first through hole penetrating the first clamping member along a first direction is provided inside the first clamping member, and a threaded hole extending along the first direction is provided inside the second clamping member. The threaded hole is arranged corresponding to the first through hole, and a fastener is sequentially passed through the first through hole and the threaded hole. The distance between the first clamping member and the second clamping member is changed by adjusting the fastener, thereby adjusting the tightness of the clamping part clamping the magnetic rod.
9. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 8, characterized in that: The first clamping member is detachably mounted on the second clamping member via the fastener.
10. The electronic anti-theft lock anti-strong magnetic field opening test device according to claim 1, characterized in that: The frame, the electronic anti-theft lock fixture and the magnetic rod fixture are all made of non-magnetic materials.