AB analog quantity template channel tester
By introducing a row of switches into the analog signal template channel tester, the problem of cumbersome wiring in the existing technology is solved, and efficient AB board channel testing is achieved.
Patent Information
- Application Number
- CN202423311693.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing analog testing instruments require cumbersome wiring operations when testing AB board channels, resulting in low testing efficiency.
It adopts a row of switch structure, with each switch connected to the terminal block on the front connector to control on/off switching, simplifying the wiring process.
The interconnected switch structure enables rapid control of channel switching, significantly improving testing efficiency and reducing on-site wiring time.
Smart Images

Figure CN223815417U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board testing technology, and in particular to an AB analog quantity template channel tester. Background Technology
[0002] In modern industrial automation and control systems, the accuracy and stability of analog signals are crucial to system performance. With continuous technological advancements, the complexity and integration of industrial equipment are increasing, leading to higher demands on the testing and calibration of analog signals. Currently, various analog signal testing instruments are available on the market, primarily used for testing the channels of AB boards. Existing instruments require cumbersome wiring or disconnection operations during setup and operation, reducing testing efficiency. Utility Model Content
[0003] To address the aforementioned problems, the purpose of this utility model embodiment is to provide an AB analog quantity template channel tester.
[0004] An AB analog quantity template channel tester includes:
[0005] A manifold switch, which consists of multiple switches connected in parallel, each switch being connected to a terminal block on the front connector, and each switch being used to control the opening and closing of each terminal block on the front connector.
[0006] Preferably, the row of switches includes:
[0007] Zero switch CH0, one end of which is connected to terminal 2 on the front connector, and the other end of which is connected to the main line.
[0008] Preferably, the row of switches includes:
[0009] Switch CH1, one end of which is connected to terminal 6 on the front connector, and the other end of which is connected to the main line.
[0010] Preferably, the row of switches includes:
[0011] Switch CH2 is a second switch. One end of switch CH2 is connected to terminal 12 on the front connector, and the other end of switch CH2 is connected to the main line.
[0012] Preferably, the row of switches includes:
[0013] Switch CH3 is a third switch. One end of switch CH3 is connected to terminal 16 on the front connector, and the other end of switch CH3 is connected to the main line.
[0014] Preferably, the row of switches includes:
[0015] Switch CH4 is a fourth switch. One end of switch CH4 is connected to terminal 20 on the front connector, and the other end of switch CH4 is connected to the main line.
[0016] Preferably, the row of switches includes:
[0017] Switch CH5, one end of which is connected to terminal 24 on the front connector, and the other end of which is connected to the main line.
[0018] Preferably, the row of switches includes:
[0019] Switch CH6, one end of which is connected to terminal 30 on the front connector, and the other end of which is connected to the main line.
[0020] Preferably, the row of switches includes:
[0021] Switch CH7, one end of which is connected to terminal 34 on the front connector, and the other end of which is connected to the main line.
[0022] Preferred options also include:
[0023] A common terminal switch, one end of which is connected to the negative line, and the other end of which is connected to terminals 4, 8, 14, 18, 22, 26, 32, 36, 1, 5, 11, 15, 19, 23, 29, and 33 on the front connector.
[0024] According to the specific embodiments provided by this utility model, the following technical effects are disclosed:
[0025] This utility model relates to an AB analog quantity template channel tester. Compared with the prior art, this utility model can freely control the on / off state of each channel of the front connector by setting up a row of switches, which reduces the time for on-site wiring and greatly improves work efficiency.
[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 A schematic diagram of the row of switches provided by this utility model;
[0029] Figure 2 A diagram showing the connection relationship between the row of switches and the front connector provided by this utility model;
[0030] Figure 3 The appearance drawing of the tester provided by this utility model. Detailed Implementation
[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0034] Please see Figure 1-2 An AB analog quantity template channel tester, comprising:
[0035] A manifold switch, which consists of multiple switches connected in parallel, each switch being connected to a terminal block on the front connector, and each switch being used to control the opening and closing of each terminal block on the front connector.
[0036] Furthermore, the row of switches includes switches CH0-CH7.
[0037] Zero switch CH0, one end of which is connected to terminal 2 on the front connector, and the other end of which is connected to the main line.
[0038] Switch CH1, one end of which is connected to terminal 6 on the front connector, and the other end of which is connected to the main line.
[0039] Switch CH2 is a second switch. One end of switch CH2 is connected to terminal 12 on the front connector, and the other end of switch CH2 is connected to the main line.
[0040] Switch CH3 is a third switch. One end of switch CH3 is connected to terminal 16 on the front connector, and the other end of switch CH3 is connected to the main line.
[0041] Switch CH4 is a fourth switch. One end of switch CH4 is connected to terminal 20 on the front connector, and the other end of switch CH4 is connected to the main line.
[0042] Switch CH5, one end of which is connected to terminal 24 on the front connector, and the other end of which is connected to the main line.
[0043] Switch CH6, one end of which is connected to terminal 30 on the front connector, and the other end of which is connected to the main line.
[0044] Switch CH7, one end of which is connected to terminal 34 on the front connector, and the other end of which is connected to the main line.
[0045] A common terminal switch, one end of which is connected to the negative line, and the other end of which is connected to terminals 4, 8, 14, 18, 22, 26, 32, 36, 1, 5, 11, 15, 19, 23, 29, and 33 on the front connector.
[0046] The testing instrument of the present invention will be further described below with reference to specific embodiments:
[0047] Construct a switch panel consisting of CH0, CH1, CH2, CH3, CH4, CH5, CH6, CH7, and a common terminal. Connect the terminals of CH0, CH1, CH2, CH3, CH4, CH5, CH6, and CH7 in parallel with wires, leaving a wire interface on CH7. Connect a 0.5m long, 0.5 square millimeter multi-strand flexible wire as the standard signal positive terminal. Connect a 0.5m long, 0.5 square millimeter multi-strand flexible wire as the standard signal negative terminal on the common terminal. Control the standard signal output through switches CH0, CH1, CH2, CH3, CH4, CH5, CH6, and CH7.
[0048] ① Connect the lower terminal of switch CH0 to terminal 2 of the front connector, and connect the lower terminal of the common terminal to terminals 1 and 4 of the front connector. The first channel of the front connector is IN-0 connected to the positive wire, and IN-1 and IRTN-0 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0049] ② Connect the lower terminal of switch CH1 to terminal 6 of the front connector, and connect the lower terminal of the common terminal to terminals 5 and 8 of the front connector. For the second channel of the front connector, IN-2 is connected to the positive wire, and IN-3 and IRTN-2 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0050] ③ Connect the lower terminal of switch CH2 to terminal 12 of the front connector, and connect the lower terminal of the common terminal to terminals 11 and 14 of the front connector. The third channel of the front connector is connected to the positive line via IN-4, and IN-5 and IRTN-4 are shorted and then connected to the negative line via the lower terminal of the common terminal.
[0051] ④ Connect the lower terminal of switch CH3 to terminal 16 of the front connector, and connect the lower terminal of the common terminal to terminals 15 and 18 of the front connector. For the fourth channel of the front connector, IN-6 is connected to the positive wire, and IN-7 and IRTN-6 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0052] ⑤ Connect the lower terminal of switch CH4 to terminal 20 of the front connector, and connect the lower terminal of the common terminal to terminals 19 and 22 of the front connector. For the fifth channel of the front connector, IN-8 is connected to the positive wire, and IN-9 and IRTN-8 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0053] ⑥ Connect the lower terminal of switch CH5 to terminal 24 of the front connector, and connect the lower terminal of the common terminal to terminals 23 and 26 of the front connector. For the sixth channel of the front connector, IN-10 is connected to the positive wire, and IN-11 and IRTN-10 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0054] ⑦ Connect the lower terminal of switch CH6 to terminal 30 of the front connector, and connect the lower terminal of the common terminal to terminals 29 and 32 of the front connector. For the seventh channel of the front connector, IN-12 is connected to the positive wire, and IN-13 and IRTN-12 are shorted and then connected to the negative wire of the lower terminal of the common terminal.
[0055] ⑧ Connect the lower terminal of switch CH7 to terminal 34 of the front connector, and connect the lower terminal of the common terminal to terminals 33 and 36 of the front connector. For the eighth channel of the front connector, connect IN-14 to the positive wire, and short-circuit IN-15 and IRTN-14 to the negative wire of the lower terminal of the common terminal.
[0056] like Figure 3 As shown, after connecting the wired switch and connecting the switch to the front connector, fix it in the metal box.
[0057] Previously, when performing AB channel testing on-site, it was necessary to disconnect the front connectors and connect the test leads sequentially. After the test was completed, the original signal lines had to be reconnected. Testing one board took approximately 50 minutes. This device can control the on / off state of each channel using a series of switches, reducing on-site wiring time. Testing one board takes approximately 15 minutes, improving work efficiency by more than three times.
[0058] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. An AB analog quantity template channel tester, characterized in that, include: A manifold switch, which consists of multiple switches connected in parallel, each switch being connected to a terminal block on the front connector, and each switch being used to control the opening and closing of each terminal block on the front connector.
2. The AB analog quantity template channel tester according to claim 1, characterized in that, The row of switches includes: Zero switch CH0, one end of which is connected to terminal 2 on the front connector, and the other end of which is connected to the main line.
3. The AB analog quantity template channel tester according to claim 2, characterized in that, The row of switches includes: Switch CH1, one end of which is connected to terminal 6 on the front connector, and the other end of which is connected to the main line.
4. The AB analog quantity template channel tester according to claim 3, characterized in that, The row of switches includes: Switch CH2 is a second switch. One end of switch CH2 is connected to terminal 12 on the front connector, and the other end of switch CH2 is connected to the main line.
5. An AB analog quantity template channel tester according to claim 4, characterized in that, The row of switches includes: Switch CH3 is a third switch. One end of switch CH3 is connected to terminal 16 on the front connector, and the other end of switch CH3 is connected to the main line.
6. An AB analog quantity template channel tester according to claim 5, characterized in that, The row of switches includes: Switch CH4 is a fourth switch. One end of switch CH4 is connected to terminal 20 on the front connector, and the other end of switch CH4 is connected to the main line.
7. An AB analog quantity template channel tester according to claim 6, characterized in that, The row of switches includes: Switch CH5, one end of which is connected to terminal 24 on the front connector, and the other end of which is connected to the main line.
8. An AB analog quantity template channel tester according to claim 7, characterized in that, The row of switches includes: Switch CH6, one end of which is connected to terminal 30 on the front connector, and the other end of which is connected to the main line.
9. An AB analog quantity template channel tester according to claim 8, characterized in that, The row of switches includes: Switch CH7, one end of which is connected to terminal 34 on the front connector, and the other end of which is connected to the main line.
10. An AB analog quantity template channel tester according to claim 9, characterized in that, Also includes: A common terminal switch, one end of which is connected to the negative line, and the other end of which is connected to terminals 4, 8, 14, 18, 22, 26, 32, 36, 1, 5, 11, 15, 19, 23, 29, and 33 on the front connector.