Hall coil detection device and Hall coil detection equipment

Abstract

The utility model provides a Hall coil detection device and Hall coil detection equipment. The Hall coil detection device comprises a Hall coil; the test assembly is arranged in the Hall coil and is used for bearing and electrically connecting a Hall product to be tested; and the Hall detector is arranged in the Hall coil and is used for detecting the magnetic field of the Hall coil when the Hall coil is electrified. In the Hall coil detection device, when a Hall coil is electrified to work, a magnetic field can be generated, when the Hall coil is electrified, a Hall detector works and detects the actual magnetic field value of the Hall coil, and the measured data is used for judging whether the Hall coil meets the standard specification of the Hall coil at the current moment or not. Therefore, the Hall coil detection device can be monitored in real time, so that the detection accuracy and reliability of the Hall coil detection device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hall product test technical field especially relates to a hall coil detection device and hall coil detection equipment. BACKGROUND

[0002] Hall products, such as hall switches, hall electronic components, hall sensors, etc., are widely used in various electronic devices based on the principle of the Hall effect. Hall products are used to detect changes in the magnetic field and convert them into electrical signals, thereby achieving automated control and data acquisition.

[0003] In the semiconductor integrated circuit manufacturing process, after the hall product is manufactured, the hall product needs to be further tested. In the electrical parameter performance test of the hall product, the hall coil plays a role in providing a magnetic field. Specifically, when testing the hall product, power is supplied to the hall coil, and the magnetic field of the hall coil is changed through the change of current or voltage, so that the electrical parameter performance of the measured hall product under different magnetic field conditions can be tested.

[0004] In the actual test environment, the hall coil is easily affected by the surrounding environment, resulting in a deviation between the actual magnetic field value and the theoretical magnetic field value, and further affecting the determination of the electrical parameter performance of the measured hall product. Moreover, the actual magnetic field value of the hall coil cannot be monitored in real time, which makes it impossible to identify and trace in time after the deviation occurs. In addition, the hall coil itself is made of enameled copper wire winding, and the aging or structural damage of the enameled copper wire will cause the magnetic field of the hall coil itself to change, which will also affect the determination of the electrical parameter performance of the measured hall product. SUMMARY

[0005] The utility model solves the technical problems that a hall coil detection device and a hall coil detection equipment are provided, which can detect the magnetic field of the hall coil in real time, and further avoid the influence of the change of the magnetic field of the hall coil on the determination of the electrical parameter performance of the measured hall product.

[0006] In order to solve the above problems, an embodiment of the utility model provides a hall coil detection device, which comprises: a hall coil; a test assembly arranged in the hall coil and used for carrying and electrically connecting a measured hall product; and a hall detector arranged in the hall coil and used for detecting the magnetic field of the hall coil when the hall coil is powered.

[0007] In an embodiment, the hall detector is arranged on the test assembly.

[0008] In an embodiment, the hall coil detection device further comprises a first group of conductive wires, which are electrically connected with the test assembly and used for connecting the test assembly to the power supply of a testing machine.

[0009] In an embodiment, the Hall coil detection device further comprises a second set of wires electrically connected with the Hall detector, for connecting the Hall detector to a power supply of a testing machine.

[0010] In an embodiment, the Hall coil detection device further comprises a switch group, through which the testing machine is selectively electrically connected with the first set of wires or the second set of wires.

[0011] In an embodiment, the Hall coil detection device further comprises a third set of wires electrically connected with the Hall coil, for electrically connecting the Hall coil to a power supply of a testing machine.

[0012] In an embodiment, the testing assembly comprises a testing base arranged at an end of the Hall coil, for carrying a Hall product to be tested, the testing base having testing pins for electrically connecting with the Hall product to be tested, and a circuit board electrically connected with the testing pins and electrically connecting the testing pins to a power supply of a testing machine.

[0013] In an embodiment, the Hall detector is arranged on the circuit board.

[0014] In an embodiment, the Hall detector is arranged at the center of the circuit board.

[0015] In an embodiment, the circuit board is arranged below the testing base and fixedly connected with the testing base by a fixing member.

[0016] In an embodiment, the testing base has a positioning pin and the circuit board has a positioning hole, or the testing base has a positioning hole and the circuit board has a positioning pin, the positioning pin being capable of being inserted into the positioning hole to realize positioning between the testing base and the circuit board.

[0017] The embodiment of the utility model further provides a Hall coil detection device, which comprises the Hall coil detection device as described above, a testing machine electrically connected with the Hall coil, the testing assembly and the Hall detector, for power supply or providing a test signal.

[0018] In an embodiment, the testing machine further comprises a controller for acquiring a signal of the Hall detector and judging whether the Hall coil meets a requirement according to the signal.

[0019] In the Hall coil detection device and Hall coil detection equipment provided by this utility model, when the Hall coil is energized, it generates a magnetic field. A Hall detector is installed inside the Hall coil. When the Hall coil is energized, the Hall detector works and detects the actual magnetic field value of the Hall coil. The measured data is used to determine whether the Hall coil meets the standard specifications of the Hall coil at the current moment, thereby enabling real-time monitoring of the Hall coil detection device and improving the detection accuracy and reliability of the Hall coil detection device. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments 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 any creative effort.

[0021] Figure 1 This is a schematic diagram of a Hall coil detection device provided in an embodiment of the present invention;

[0022] Figure 2 This is a top view of the circuit board in the Hall coil detection device provided in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of a Hall coil detection device provided in another embodiment of the present invention. Detailed Implementation

[0024] The specific implementation methods of the Hall coil detection device and Hall coil detection equipment provided by this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of a Hall coil detection device 100 provided in one embodiment of the present invention. Please refer to [the diagram]. Figure 1 The Hall coil detection device 100 includes: a Hall coil 110; a test component 120, disposed within the Hall coil 110, for carrying and electrically connecting the Hall product under test (not shown in the figures); and a Hall detector 130, disposed within the Hall coil 110, for detecting the magnetic field of the Hall coil 110 when the Hall coil 110 is energized. Figure 1 In the diagram, the structure located inside the Hall coil 110 is shown in dashed lines.

[0026] The Hall coil detection device 100 provided by the embodiment of the utility model, when the Hall coil 110 is electrified, a magnetic field is generated, a Hall detector 130 is arranged in the Hall coil 110, the Hall detector 130 works and detects the actual magnetic field value of the Hall coil 110 when the Hall coil 110 is electrified, and the detected data is used to determine whether the Hall coil 110 at the current time meets the standard specification of the Hall coil 110, and the Hall coil detection device 100 can be monitored in real time, so that the detection accuracy and reliability of the Hall coil detection device 100 are improved.

[0027] The Hall coil 110 is connected with a power supply, and the power supply supplies power to the Hall coil 110, so that the Hall coil 110 is electrified. In an embodiment, the Hall coil detection device 100 further comprises a third group of wires 230, the third group of wires 230 is electrically connected with the Hall coil 110, and the Hall coil 110 is connected to the power supply. The power supply can be the power supply of a test machine 300 (see Figure 3 ). Specifically, the Hall coil 110 is electrically connected with the power supply of the test machine 300 through the third group of wires 230, and the power supply of the test machine 300 supplies power to the Hall coil 110 through the third group of wires 230. The third group of wires 230 can include a positive wire connected with the positive pole of the power supply and a negative wire connected with the negative pole of the power supply, so that the Hall coil 110 can be located in a closed loop.

[0028] The area surrounded by the Hall coil 110 is a hollow area, and the test assembly 120 and the Hall detector 130 are arranged in the hollow area. In an embodiment, the Hall coil 110 is composed of an I-shaped support and an enameled wire coil wrapped on the outer surface of the I-shaped support, the test assembly 120 and the Hall detector 130 are arranged in the I-shaped support, and the positive wire and the negative wire in the third group of wires 230 are respectively connected with both ends of the enameled wire coil.

[0029] The test assembly 120 is arranged in the Hall coil 110 and is used for carrying and electrically connecting the measured Hall product. In an embodiment, the test assembly 120 is arranged at the inner top end of the Hall coil 110. The top surface of the test assembly 120 has a groove 124 for placing the measured Hall product, and the groove 124 has a test pin 123, which is used for contacting the measured Hall product.

[0030] In an embodiment, the test assembly 120 is connected with a power supply, which supplies power to the test assembly 120 to further supply power to the Hall product under test. In an embodiment, the Hall coil testing device 100 further comprises a first set of wires 210, which are electrically connected with the test assembly 120 for connecting the test assembly 120 to a power supply, which can be the power supply of the testing machine 300. Specifically, the test assembly 120 is electrically connected with the power supply of the testing machine 300 through the first set of wires 210, and the power supply of the testing machine 300 supplies power to the test assembly 120 through the first set of wires 210. The first set of wires 210 can comprise a positive wire connected with the positive pole of the power supply, a negative wire connected with the negative pole of the power supply, and a ground wire connected with the ground, so that the test assembly 120 can be located in a closed loop.

[0031] In an embodiment, the test assembly 120 comprises a test base 121 and a circuit board 122. The circuit board 122 can comprise, but is not limited to, a PCB board.

[0032] The test base 121 is arranged at the end of the Hall coil 110 for carrying the Hall product under test, and the test base 121 has test pins 123 for electrically connecting with the Hall product under test. The top surface of the test base 121 has the recess 124 for placing the Hall product under test.

[0033] The circuit board 122 is electrically connected with the test pins 123 and electrically connects the test pins 123 to the power supply of the testing machine 300. In an embodiment, the circuit board 122 is arranged below the test base 121 and is fixedly connected with the test base 121 through a fixing member (not shown in the drawings), which can be a screw fixing member. In an embodiment, the test base 121 has a positioning pin and the circuit board 122 has a positioning hole, or the test base 121 has a positioning hole and the circuit board 122 has a positioning pin, and the positioning pin can be inserted into the positioning hole to realize the positioning between the test base 121 and the circuit board 122. For example, in the present embodiment, the test base 121 has a positioning hole and the circuit board 122 has a positioning pin, and the positioning pin can be inserted into the positioning hole to realize the positioning between the test base 121 and the circuit board 122.

[0034] In an embodiment, the first group of wires 210 is connected with the circuit board 122 to connect the circuit board 122 to the power supply of the testing machine 300, and then to electrically connect the testing needle 123 to the power supply of the testing machine 300. In which, the positive terminal of the Hall product to be tested is connected to the circuit board 122 through the testing needle 123, and then connected to the positive wire of the first group of wires 210 through the circuit board 122; the negative terminal of the Hall product to be tested is connected to the circuit board 122 through the testing needle 123, and then connected to the negative wire of the first group of wires 210 through the circuit board 122; the ground terminal of the Hall product to be tested is connected to the circuit board 122 through the testing needle 123, and then connected to the ground wire of the first group of wires 210 through the circuit board 122.

[0035] In some embodiments, the shape of the test base 121 is the same as the shape of the circuit board 122, and the same as the shape of the hollow area of the Hall coil 110, so that the test assembly 120 can be adapted to the Hall coil 110.

[0036] The Hall detector 130 is arranged in the Hall coil 110 to detect the magnetic field of the Hall coil 110 when the Hall coil 110 is powered. In an embodiment, the Hall detector 130 with corresponding accuracy can be selected according to actual needs. In an embodiment, the Hall detector 130 is arranged on the test assembly 120, so that no additional fixing structure is needed to fix the Hall detector 130 on the basis of the existing Hall coil detection device 100, the structure is simple and easy to implement, and real-time detection of the Hall coil 110 can be realized. For example, in an embodiment, the Hall detector 130 is arranged on the circuit board 122.

[0037] Further, as Figure 2 shown, it is a top view of the circuit board in the Hall coil detection device provided by an embodiment of the present application, and in an embodiment, the Hall detector 130 is arranged at the center of the circuit board 122, which can ensure the uniqueness of the position of the magnetic field and improve the accuracy of detection.

[0038] The Hall detector 130 is connected to a power supply, which supplies power to the Hall detector 130. In one embodiment, the Hall coil detection device 100 further comprises a second set of wires 220, which are electrically connected to the Hall detector 130, for connecting the Hall detector 130 to a power supply, which is the power supply of the testing machine 300. Specifically, the Hall detector 130 is electrically connected to the power supply of the testing machine 300 through the second set of wires 220, and the power supply of the testing machine 300 supplies power to the Hall detector 130 through the second set of wires 220. The second set of wires 220 can include a positive wire connected to the positive pole of the power supply, a negative wire connected to the negative pole of the power supply, and a ground wire for grounding, so that the Hall detector 130 can be in a closed loop. Specifically, the positive terminal of the Hall detector is connected to the positive wire of the second set of wires 220 through the circuit board 122; the negative terminal of the Hall detector is connected to the negative wire of the second set of wires 220 through the circuit board 122; and the ground terminal of the Hall detector is connected to the ground wire of the second set of wires 220 through the circuit board 122.

[0039] In one embodiment, the Hall coil detection device 100 further comprises a switch group 150, through which the testing machine 300 is selectively electrically connected to the first set of wires 210 or the second set of wires 220. In one embodiment, the switch group 150 includes a positive switch and a negative switch, through which the testing machine 300 is selectively electrically connected to the positive wire of the first set of wires 210 or the positive wire of the second set of wires 220, and through which the testing machine 300 is selectively electrically connected to the negative wire of the first set of wires 210 or the negative wire of the second set of wires 220. Through the setting of the switch group 150, it is not necessary to additionally set a power supply connected to the Hall detector 130 on the testing machine 300, further simplifying the Hall coil detection device 100. In some embodiments, the switches of the switch group 150 can be relay switches.

[0040] In use of the Hall coil detection device 100, if it is needed to detect the magnetic field of the Hall coil 110 by the Hall detector 130, the positive pole of the power supply of the testing machine 300 is electrically connected with the positive pole line of the second group of wires 220 through the positive pole switch, and the negative pole of the power supply of the testing machine 300 is electrically connected with the negative pole line of the second group of wires 220 through the negative pole switch, so as to realize the power supply of the Hall detector 130; if it is needed to test the Hall product to be tested, the positive pole of the power supply of the testing machine 300 is electrically connected with the positive pole line of the first group of wires 210 through the positive pole switch, and the negative pole of the power supply of the testing machine 300 is electrically connected with the negative pole line of the first group of wires 210 through the negative pole switch, so as to realize the power supply of the Hall product to be tested.

[0041] The Hall coil detection device 100 provided by the embodiment of the utility model, the Hall detector 130 works and detects the actual magnetic field value of the Hall coil 110 when the Hall coil 110 is electrified, and the measured data is used to determine whether the Hall coil 110 meets the standard specification of the Hall coil 110 at the current time, and the Hall coil detection device 100 can be monitored in real time, so as to improve the detection accuracy and reliability of the Hall coil detection device 100.

[0042] Based on the same inventive concept, another embodiment of the utility model further provides a Hall coil detection equipment, as shown in Figure 3 The Hall coil detection equipment provided by another embodiment of the utility model is a schematic diagram of the Hall coil detection equipment, and the Hall coil detection equipment comprises a Hall coil detection device 100, the Hall coil detection device 100 is described above; a testing machine 300, which is electrically connected with the Hall coil 110, the testing assembly 120 and the Hall detector 130, is used for power supply or providing a test signal.

[0043] In an embodiment, the testing machine 300 has a testing board 310, and the Hall coil 110, the testing assembly 120 and the Hall detector 130 of the Hall coil detection equipment are electrically connected to the testing board 310. For example, the testing assembly 120 is electrically connected to the power supply of the testing board 310 through the first group of wires 210 and the switch group 150; the Hall detector 130 is electrically connected to the power supply of the testing board 310 through the second group of wires 220 and the switch group 150; and the Hall coil 110 is electrically connected to the power supply of the testing board 310 through the third group of wires 230.

[0044] In an embodiment, the testing machine 300 further comprises a controller (not shown in the drawings) for acquiring the signal of the Hall detector 130 and determining whether the Hall coil 110 meets the requirements according to the signal. If the data measured by the Hall detector 130 matches the standard data of the Hall coil 110, it can be determined that the Hall coil 110 at the current time meets the standard specification of the Hall coil 110, which will not adversely affect the testing of the Hall product under test, and the current Hall coil 110 can be used to test the Hall product under test. If the data measured by the Hall detector 130 does not match the standard data of the Hall coil 110, it can be determined that the Hall coil 110 at the current time does not meet the standard specification of the Hall coil 110, which will adversely affect the testing of the Hall product under test, and the current Hall coil 110 is stopped to test the Hall product under test, so as to avoid measurement deviation caused by the Hall coil detection device 100 providing inaccurate test data, and further cause misjudgment of the electrical performance of the Hall product under test.

[0045] The Hall detector 130 of the utility model in real time detects the magnetic field of the Hall coil 110 when the Hall coil 110 is powered, and further determines whether the Hall coil 110 at the current time meets the standard specification of the Hall coil 110, so that the Hall product under test detected by the Hall coil detection equipment of the utility model can meet the market demand.

[0046] It should be noted that the terms "include" and "have" and their variants involved in the file of the utility model are intended to cover non-exclusive inclusion. The terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, unless the context clearly indicates otherwise, and it should be understood that the data used in this way can be interchanged under appropriate circumstances. The term "one or more" can be used to describe a feature, structure or characteristic in singular sense, or can be used to describe a combination of features, structures or characteristics in plural sense, depending at least partially on the context. The term "based on" can be understood as not necessarily expressing a set of exclusive factors, but can instead, depending at least partially on the context, allow the existence of other factors that are not necessarily explicitly described. In addition, the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. Furthermore, in the above description, the description of known components and technologies is omitted to avoid unnecessary confusion of the concept of the utility model. In each of the above embodiments, each embodiment focuses on the difference from other embodiments, and the same / similar parts between each embodiment can be referred to each other.

[0047] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, under the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A Hall coil detection device, characterized by, The Hall coil detection device comprises: a Hall coil; a test assembly arranged in the Hall coil and used for carrying and electrically connecting a Hall product to be tested, the test assembly comprising a test base arranged at an end of the Hall coil and used for carrying the Hall product to be tested, the test base having test pins used for electrically connecting the Hall product to be tested; a Hall detector arranged in the Hall coil and used for detecting a magnetic field of the Hall coil when the Hall coil is powered.

2. The Hall coil detection apparatus according to claim 1, characterized by The Hall detector is arranged on the test assembly.

3. The Hall coil detection apparatus according to claim 1, characterized by The Hall coil detection device further comprises a first group of wires electrically connected with the test assembly and used for connecting the test assembly to a power supply of a test machine.

4. The Hall coil detection apparatus according to claim 3, characterized by The Hall coil detection device further comprises a second group of wires electrically connected with the Hall detector and used for connecting the Hall detector to the power supply of the test machine.

5. The Hall coil detection apparatus according to claim 4, characterized by The Hall coil detection device further comprises a switch group, the test machine being selectively electrically connected with the first group of wires or the second group of wires through the switch group.

6. The Hall coil detection apparatus of claim 1, wherein The Hall coil detection device further comprises a third group of wires electrically connected with the Hall coil and used for electrically connecting the Hall coil to the power supply of the test machine.

7. The Hall coil detection apparatus of claim 1, wherein The test assembly further comprises: a circuit board electrically connected with the test pins and electrically connecting the test pins to the power supply of the test machine.

8. The Hall coil detection apparatus of claim 7, wherein The Hall detector is arranged on the circuit board.

9. The Hall coil detection apparatus of claim 8, wherein, The Hall detector is arranged at the center of the circuit board.

10. The Hall coil detection apparatus of claim 7, wherein The circuit board is arranged below the test base and fixedly connected with the test base through a fixing member.

11. The Hall coil detection apparatus of claim 7, wherein The test base has a positioning pin and the circuit board has a positioning hole, or the test base has a positioning hole and the circuit board has a positioning pin, the positioning pin being capable of being inserted into the positioning hole to realize positioning between the test base and the circuit board.

12. A Hall coil detection device characterized by comprising: The Hall coil detection device comprises: any one of claims 1-11; a test machine electrically connected with the Hall coil, the test assembly and the Hall detector and used for supplying power or providing a test signal.

13. The Hall coil detection apparatus of claim 12, wherein, The test machine further comprises a controller used for acquiring a signal of the Hall detector and judging whether the Hall coil meets a requirement according to the signal.

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