Electric energy meter detection equipment and electric energy meter detection tool
By designing an energy meter detection device that can connect multiple energy meters at the same time, the problems of low detection efficiency and large volume of existing equipment are solved, and efficient detection and cost reduction are achieved.
Patent Information
- Application Number
- CN202421220117.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Existing power meter testing equipment can only detect one power meter at a time, which has low detection efficiency, and is large in size and high manufacturing cost.
An energy meter detection device including a housing, a control module, an up-down power test module and a communication module is designed. By setting up a pulse input interface and a communication module, the device can connect and detect multiple power meters at the same time.
The function of simultaneous detection of multiple power meters is realized, the detection efficiency is improved, and the manufacturing cost is reduced by reducing the equipment volume.
Smart Images

Figure CN222866860U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric energy meter detection, in particular to electric energy meter detection equipment and electric energy meter detection tooling. Background Art
[0002] The electric energy meter is an instrument used to measure electric energy. The accuracy of the electric energy meter is directly related to the interests of both the power supplier and the user, and directly affects the stability and development of society. Therefore, before the electric energy meter is packed, in order to prevent the failure of individual parts of the internal circuit of the electric energy meter, the reliability of the electric energy meter needs to be tested. However, in the prior art, an electric energy meter detection device can only detect one electric energy meter to be tested at a time, and the detection efficiency is low. At the same time, the electric energy meter detection device in the prior art is a complete machine body, which is large in size and has a high manufacturing cost. Utility Model Content
[0003] In view of this, the purpose of the utility model is to provide an electric energy meter detection device and an electric energy meter detection tooling, which can simultaneously detect the reliability of multiple electric energy meters to be tested through a smaller electric energy meter detection device, thereby improving the detection efficiency of the electric energy meter detection device and reducing the cost of manufacturing the electric energy meter detection device.
[0004] In the first aspect, an embodiment of the utility model provides an electric energy meter detection device, including: a shell, a control module arranged inside the shell, an upper and lower power test module and a communication module respectively connected to the control module; the communication module is communicatively connected to the host computer of the peripheral device; the communication module is communicatively connected to at least one electric energy meter to be tested of the peripheral device; the upper and lower power test module includes at least one pulse input interface, the pulse input interface is arranged on the upper surface of the shell, and each pulse input interface is connected to an electric energy meter to be tested; the communication module is used to receive a test plan sent by the host computer and send the test plan to the control module; the test plan is an upper and lower power test plan and one of the communication test schemes; a control module is used to receive the test scheme and determine the type of the test scheme; when the test scheme is the power-on and power-off test scheme, the power-on and power-off test module is controlled to test each electric energy meter to be tested connected to the power-on and power-off test module according to the power-on and power-off test scheme; when the test scheme is the communication test scheme, the communication module is controlled to test each electric energy meter to be tested that is communicatively connected to the communication module according to the communication test scheme; the control module is also used to obtain the test result of each electric energy meter to be tested, and send the test result to the host computer, so that the host computer generates a detection report corresponding to each electric energy meter to be tested according to the test result.
[0005] Furthermore, the up and down power test module includes a relay unit and a pulse reference ground interface; the pulse reference ground interface is arranged on the upper surface of the shell, and each electric energy meter to be tested is connected to the pulse reference ground interface; the relay unit includes a relay, a first relay interface and a second relay interface; the relay is arranged inside the shell; the first relay interface and the second relay interface are both arranged on the side surface of the shell; the electric energy meter to be tested is connected to the relay through the first relay interface and the second relay interface.
[0006] Furthermore, the communication module includes an RS485 communication unit; the RS485 communication unit includes a first RS485 communication interface and a second RS485 communication interface; each electric energy meter to be tested is connected to the electric energy meter detection device via the first RS485 communication interface and the second RS485 communication interface.
[0007] Furthermore, the communication module includes a near-infrared communication unit; the electric energy meter detection device is connected to the host computer through the near-infrared communication unit.
[0008] Furthermore, the electric energy meter detection device also includes a key module; the key module is connected to the control module; the key module is arranged on the upper surface of the shell; the control module is also used to determine the target control operation corresponding to the control instruction based on the control instruction input by the user through the key module and the pre-set control instruction-control operation correspondence relationship, and control the corresponding module to perform the target control operation.
[0009] Furthermore, the electric energy meter detection equipment also includes an indicator light display module; the indicator light display module is arranged on the upper surface of the shell, and the indicator light display module is connected to the control module; the indicator light display module includes a communication light, an operation light and at least one pulse indicator light; each pulse indicator light corresponds to displaying the working status of a pulse input interface.
[0010] Furthermore, the electric energy meter detection device also includes a liquid crystal display module; the liquid crystal display module is arranged on the upper surface of the shell, and the liquid crystal display module is connected to the control module.
[0011] Furthermore, the electric energy meter detection device also includes an alarm module; the alarm module is arranged on the upper surface of the shell, and the alarm module is connected to the control module.
[0012] Furthermore, the electric energy meter detection device also includes a power supply module; the power supply module is connected to the external power supply; the power supply module includes a first power supply interface and a second power supply interface, and the first power supply interface and the second power supply interface are both arranged on the side surface of the shell; the external power supply supplies power to the electric energy meter detection device through the first power supply interface and the second power supply interface.
[0013] In a second aspect, an embodiment of the utility model provides an electric energy meter detection tool, comprising any of the above-mentioned electric energy meter detection devices, and also comprising a host computer; the electric energy meter detection device is communicatively connected to the host computer.
[0014] The embodiment of the utility model provides an electric energy meter detection device and an electric energy meter detection tool, including: a housing, a control module arranged inside the housing, an upper and lower power test module and a communication module respectively connected to the control module; the communication module is connected to the host computer of the peripheral device in communication; the communication module is connected to at least one electric energy meter to be tested of the peripheral device in communication; the upper and lower power test module includes at least one pulse input interface, the pulse input interface is arranged on the upper surface of the housing, and each pulse input interface is connected to an electric energy meter to be tested. In this way, by setting the upper and lower power test module and the communication module including at least one pulse input interface, the electric energy meter detection device is connected to multiple electric energy meters to be tested, so that the electric energy meter detection device can detect the reliability of multiple electric energy meters to be tested at the same time, thereby improving the detection efficiency of the electric energy meter detection device. At the same time, the electric energy meter detection device is small in size, thereby reducing the cost of manufacturing the electric energy meter detection device.
[0015] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures specifically pointed out in the description, claims and drawings.
[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 A schematic diagram of an electric energy meter detection device provided in Embodiment 1 of the present utility model;
[0019] Figure 2 A structural diagram of an electric energy meter detection device provided in Embodiment 1 of the utility model;
[0020] Figure 3 A circuit diagram of an infrared communication unit provided in Embodiment 1 of the present utility model;
[0021] Figure 4A circuit diagram of a control chip provided in Embodiment 1 of the present utility model;
[0022] Figure 5 A circuit diagram of a memory chip provided in Embodiment 1 of the present utility model;
[0023] Figure 6 A circuit diagram of a relay circuit provided in Embodiment 1 of the present utility model;
[0024] Figure 7 A circuit diagram of a liquid crystal display module provided in Embodiment 1 of the present utility model;
[0025] Figure 8 A circuit diagram of an indicator light circuit provided in Embodiment 1 of the utility model;
[0026] Fig. 9 The circuit diagram of the alarm module provided in the first embodiment of the utility model;
[0027] Fig.10 A circuit diagram of a power module provided in Embodiment 1 of the present utility model;
[0028] Fig.11 A schematic diagram of an electric energy meter detection tooling provided in the second embodiment of the utility model.
[0029] Icons: 1-first power interface; 2-first relay interface; 3-second power interface; 4-second relay interface; 5-pulse reference ground interface; 6-10-pulse input interface; 11-first RS485 communication interface; 12-second RS485 communication interface; 13-19-indicator light display module; 20-alarm module; 21-first button; 22-second button; 23-LCD display module; 111-electricity meter detection equipment; 112-host computer. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0031] To facilitate understanding of this embodiment, the embodiment of the utility model is described in detail below.
[0032] Embodiment 1:
[0033] Figure 1 This is a schematic diagram of an electric energy meter detection device provided in Example 1 of the utility model.
[0034] Figure 2 This is a structural diagram of the electric energy meter detection equipment provided in Example 1 of the utility model.
[0035] Reference Figure 1 and Figure 2 The electric energy meter detection equipment includes: a shell, a control module arranged inside the shell, an upper and lower power test module and a communication module respectively connected to the control module; the communication module is communicated with the host computer of the peripheral device; the communication module is communicated with at least one electric energy meter to be tested of the peripheral device; the upper and lower power test module includes at least one pulse input interface, the pulse input interface is arranged on the upper surface of the shell, and each pulse input interface is connected to an electric energy meter to be tested.
[0036] Here, the number of energy meters to be tested is the same as the number of pulse input interfaces. Figure 1 and Figure 2 There are 5 medium pulse input interfaces, so 5 electric energy meters to be tested can be connected at the same time. When the electric energy meter detection equipment is in the power on and off test mode, the 5 electric energy meters to be tested can be powered on and off at the same time.
[0037] The communication module is used to receive the test plan sent by the host computer and send the test plan to the control module; the test plan is one of the power-on and power-off test plan and the communication test plan.
[0038] In one embodiment, referring to Figure 1 and Figure 2 The communication module includes an RS485 communication unit; the RS485 communication unit includes a first RS485 communication interface 11 and a second RS485 communication interface 12; each electric energy meter to be tested is connected to the electric energy meter detection device through the first RS485 communication interface 11 and the second RS485 communication interface 12.
[0039] Here, the first RS485 communication interface 11 and the second RS485 communication interface 12 are two RS485 communication interfaces, one positive and one negative. The electric energy meter to be tested that needs power on and off test is connected to the electric energy meter detection equipment through the first RS485 communication interface 11 and the second RS485 communication interface 12 to send the test data during the power on and off test to the control module, so that the control module sends the test results to the host computer.
[0040] Among them, the test data of the electric energy meter to be tested include pulse data and electric quantity data.
[0041] The communication module can also communicate with the electric energy meters to be tested that support RS485 communication. When the electric energy meter detection equipment is in the communication test mode, up to 32 electric energy meters to be tested can be connected at the same time and communication tests can be performed.
[0042] In one embodiment, the communication module includes a near infrared communication unit; the electric energy meter detection device is connected to the host computer through the near infrared communication unit.
[0043] Reference Figure 3 The infrared communication unit includes a seventeenth resistor R17, a twenty-first resistor R21, a twenty-fourth resistor R24, a twentieth resistor R20, a twenty-second resistor R22, a fifth NPN transistor Q5, a sixth PNP transistor Q6, a first photodiode SE1 and a first light emitting diode DR1. The anode of SE1 is connected to the digital circuit power supply DVDD through R17. The emitter E of Q5 is grounded, the base is connected to the cathode of SE1 through R21, and the collector C is grounded through R24. The anode of DR1 is connected to DVDD through R20, and the cathode is connected to the collector C of the Q6 transistor. The emitter E of the Q6 transistor is grounded, and the base is connected to the I R_TXD signal input terminal through R22.
[0044] The control module is used to receive a test plan and determine the type of the test plan; when the test plan is a power-on and power-off test plan, the control module is used to test each electric energy meter to be tested that is connected to the power-on and power-off test module according to the power-on and power-off test plan; when the test plan is a communication test plan, the control module is used to test each electric energy meter to be tested that is connected to the communication module for communication according to the communication test plan.
[0045] Here, refer to Figure 4 The control module is a control chip U1, refer to Figure 5 ,The control module also includes a storage chip U3 connected to U1 ,U3 is used to store multiple test schemes sent by the host computer and can execute each test scheme in sequence.
[0046] The communication test solution supports three protocols: IEC-21 (International Electrotechnical Commission), HDLC (High-Level Data Link Control) and DTL645 (half-duplex communication protocol).
[0047] Specifically, the control module stores 10 power-on and power-off test schemes sent by the host computer, and the electric energy meter detection device is connected to 5 electric energy meters to be tested at the same time. The control module executes each power-on and power-off test scheme in turn on the 5 electric energy meters to be tested in the order received.
[0048] The control module is also used to obtain the test results of each electric energy meter to be tested, and send the test results to the host computer, so that the host computer generates a detection report corresponding to each electric energy meter to be tested according to the test results.
[0049] Here, the test result includes the test data of each electric energy meter to be tested and the test data generated by the control module. Among them, the test data generated by the control module only includes pulse data, and the test data generated by the control module is stored in U3.
[0050] During operation, the control module sends the test data of each electric energy meter to be tested to the host computer through polling meter reading. When abnormal data is detected, such as communication failure, the operation plan can be suspended and the electric energy meter can remain in the current abnormal operating state.
[0051] Based on the test results, the host computer can analyze the operating status of the electricity meter and the abnormal reasons of the initial abnormal meter.
[0052] In one embodiment, referring to Figure 1 and Figure 2 The power-on and power-off test module includes a relay unit and a pulse reference ground interface 5 ; the pulse reference ground interface 5 is arranged on the upper surface of the shell, and each electric energy meter to be tested is connected to the pulse reference ground interface 5 .
[0053] The relay unit includes a relay, a first relay interface 2 and a second relay interface 4; the relay is arranged inside the housing; Figure 2 The first relay interface 2 and the second relay interface 4 are both arranged on the side surface of the housing; the electric energy meter to be tested is connected to the relay through the first relay interface 2 and the second relay interface 4.
[0054] Here, when the control module executes the power-on and power-off test scheme, pulse control is performed on the electric energy meter to be tested through the first relay interface 2 and the second relay interface 4 of the relay unit.
[0055] Further, the relay is arranged in the relay circuit, referring to Figure 6 The relay circuit includes: a relay REL1, a first PNP transistor Q1, a second PNP transistor Q2, a third NPN transistor Q3, a fourth NPN transistor Q4, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8 and a third capacitor C3.
[0056] The collector of Q2 is connected to the +12V power supply, the emitter is connected to the collector of Q4 and the emitter of Q3 through R2, and the base is connected to the RELAY ON signal input through R4.
[0057] The collector of Q4 is connected to the emitter of Q2, the emitter is grounded, and the base is connected to the RELAY ON signal input through R7.
[0058] The collector of Q1 is connected to the +12V power supply, the emitter is connected to the collector of Q3 and the emitter of Q4 through R3, and the base is connected to the RELAY OFF signal input through R5.
[0059] The collector of Q3 is connected to the emitter of Q1, the emitter is grounded, and the base is connected to the RELAY OFF signal input through R8.
[0060] One end of REL1 is connected to the collectors of Q4 and Q3, and the other end is grounded. C3 is connected in parallel between the emitters of Q2 and Q1 and the ground to play a decoupling role and filter out noise.
[0061] The relay circuit is a driving circuit used to control the relay. It controls the switch state of the relay through two control signals (RELAY ON and RELAY OFF).
[0062] When the RELAY ON signal is at a high level, Q2 is turned on, Q4 is also turned on, and the relay receives a driving current, thereby closing the contacts.
[0063] When the RELAY OFF signal is high, Q1 is turned on, Q3 is also turned on, and the relay is turned off, thereby opening the contacts.
[0064] In one embodiment, referring to Figure 1 and Figure 2 The electric energy meter detection device also includes a key module; the key module is connected to the control module; the key module is arranged on the upper surface of the shell.
[0065] The control module is also used to determine the target control operation corresponding to the control instruction according to the control instruction input by the user through the key module and the preset control instruction-control operation correspondence, and control the corresponding module to execute the target control operation.
[0066] Here, the control instruction-control operation correspondence relationship can be preset according to actual conditions.
[0067] Specifically, there are two buttons, a first button 21 and a second button 22. The corresponding relationship between control instructions and control operations can be: when the first button 21 is short pressed, the switch-on and switch-off test starts / stops; when the first button 21 is long pressed, the relay state is reversed (it must be in the stop test state); when the second button 22 is short pressed, the LCD display module 23 displays the next screen; when the second button 22 is long pressed, the switch-off count is reset; when the first button 21 and the second button 22 are long pressed for 5 seconds at the same time, switch to the next scheme (scheme name + 1).
[0068] In one embodiment, referring to Figure 1 and Figure 2The electric energy meter detection device also includes a liquid crystal display module 23; the liquid crystal display module 23 is arranged on the upper surface of the shell, and the liquid crystal display module 23 is connected to the control module.
[0069] Here, refer to Figure 7 The liquid crystal display module 23 is a liquid crystal display screen LCD1, and the liquid crystal display module 23 is connected to U1.
[0070] In one embodiment, referring to Figure 1 and Figure 2 The electric energy meter detection device also includes an indicator light display module; the indicator light display module is arranged on the upper surface of the shell, and the indicator light display module is connected to the control module; the indicator light display module includes a communication light, an operation light and at least one pulse indicator light; each pulse indicator light corresponds to displaying the working status of a pulse input interface.
[0071] Here, the indicator light display module is used to display the current working status of the electric energy meter detection device together with the liquid crystal display module 23.
[0072] The indicator light display module includes multiple indicator light circuits, refer to Figure 8 The indicator light circuit includes: a twenty-fifth resistor R25, a twenty-fourth capacitor C24 and an eighth light emitting diode D8. One end of R25 is connected to U1, and the other end is connected to the anode of D8, which is used to limit the current passing through the indicator light display module. The two ends of C24 are respectively connected to the two ends of D8 for filtering. The cathode of D8 is grounded. Among them, D8 is a communication light or a running light or a pulse indicator light.
[0073] The indicator light circuit controls the on or off of D8 by receiving the light signal sent by U1.
[0074] In one embodiment, the electric energy meter detection device further includes an alarm module 20; the alarm module 20 is arranged on the upper surface of the housing, and the alarm module 20 is connected to the control module.
[0075] Here, refer to Fig. 9 The alarm module 20 includes an alarm circuit, which includes an alarm bell BELL1, a sixth diode D6, a fifteenth resistor R15, a twenty-third resistor R23 and a seventh transistor Q7. The two ends of D6 are respectively connected to the two ends of BELL1, and connected to DVDD through R15. The collector of Q7 is connected to the second end of BELL1, the base is connected to R23, and the emitter is grounded.
[0076] In one embodiment, the electric energy meter detection device also includes a power module; the power module is connected to an external power supply; the power module includes a first power interface 1 and a second power interface 3, and the first power interface 1 and the second power interface 3 are both arranged on the side surface of the shell; the external power supply supplies power to the electric energy meter detection device through the first power interface 1 and the second power interface 3.
[0077] Here, refer to Fig.10 The power module includes a power supply circuit and a conversion circuit.
[0078] The power supply circuit is used to convert the input AC power into a stable +12V DC power supply through rectification, filtering and overvoltage protection.
[0079] The conversion circuit is used to use U2 to convert the +12V voltage into a stable DVDD voltage for use by subsequent circuits.
[0080] The power supply circuit includes: an input terminal OP1, a tenth resistor R10, a tenth capacitor C10, a first rectifier diode D1, a second rectifier diode D2, a third rectifier diode D3, a fourth rectifier diode D4, a first diode V1, a second diode V2, a third diode V3 and a thirteenth electrolytic capacitor C13.
[0081] The two ends of R10 are connected to OP1 and C10 respectively. C10 is connected to the common node of D1, D2, D3 and D4. C10 is used for filtering and power supply decoupling. D1, D2, D3 and D4 are used to rectify the input AC power and convert it into DC power. V1, V2 and V3 are used to protect the circuit from overvoltage. C13 is connected between the rectified +12V power supply and ground for filtering and smoothing the DC voltage.
[0082] The input power is filtered through C10, rectified by rectifier diodes D1, D2, D3 and D4, and then protected from overvoltage by V1, V2 and V3. Finally, it is filtered through C13 to obtain a stable +12V DC power supply.
[0083] The conversion circuit includes: a twenty-first capacitor C21, a sixteenth capacitor C16, a nineteenth capacitor C19, a twentieth capacitor C20, a second inductor L2, a fifth diode D5, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a sixteenth resistor R16 and an integrated circuit U2.
[0084] C21 is connected between the +12V power supply and ground for decoupling. C16 is connected between the BST pin and the SW pin of U2 for voltage boosting. C19 is connected between L2 and D5 for filtering. C20 is connected between DVDD and ground for output filtering. L2 is connected between the SW pin and D5 of U2 for energy storage and conversion. D5 is connected between L2 and DVDD to prevent current reverse. R11 is connected between the FB pin and the output of U2. R12 is connected between R11 and ground to form a feedback network. R13 is connected between the SW pin and ground of U2. R14 is connected between the EN pin and ground for enable control. R16 is connected between the FB pin and ground to adjust the output voltage. U2 acts as a DC-DC converter with a +12V input and a DVDD output for voltage regulation.
[0085] The +12V power supply is filtered by C21 and input to the VIN pin of U2. The SW pin of U2 is connected to one end of the inductor L2, the other end of L2 is connected to the anode of the diode D5, and the cathode of D5 is connected to DVDD. The FB pin of U2 is connected to the output through the resistor divider network R11 and R12 for feedback control of the output voltage. C16, C19, C20, R13, R14 and R16 are connected between the relevant pins and ground respectively to ensure stable operation of the circuit.
[0086] The embodiment of the utility model provides an electric energy meter detection device, including: a housing, a control module arranged inside the housing, an upper and lower power test module and a communication module respectively connected to the control module; the communication module is connected to the host computer of the peripheral device in communication; the communication module is connected to at least one electric energy meter to be tested of the peripheral device in communication; the upper and lower power test module includes at least one pulse input interface, the pulse input interface is arranged on the upper surface of the housing, and each pulse input interface is connected to an electric energy meter to be tested. In this way, by setting the upper and lower power test module and the communication module including at least one pulse input interface, the electric energy meter detection device is connected to multiple electric energy meters to be tested, so that the electric energy meter detection device can detect the reliability of multiple electric energy meters to be tested at the same time, thereby improving the detection efficiency of the electric energy meter detection device. At the same time, the electric energy meter detection device is small in size, thereby reducing the cost of manufacturing the electric energy meter detection device.
[0087] Embodiment 2:
[0088] Fig.11 A schematic diagram of an electric energy meter detection tooling provided in the second embodiment of the utility model.
[0089] Reference Fig.11 The electric energy meter detection tooling includes: the above-mentioned electric energy meter detection device 111, and also includes a host computer 112; the electric energy meter detection device 111 is communicatively connected with the host computer 112.
[0090] An embodiment of the utility model provides an electric energy meter detection tooling, which reduces the volume of the electric energy meter detection device while connecting the electric energy meter detection device to multiple electric energy meters to be tested by setting up an up and down power test module and a communication module including at least one pulse input interface, thereby improving the detection efficiency of the electric energy meter detection device and further reducing the cost of the electric energy meter detection device and the electric energy meter detection tooling.
[0091] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system and device described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.
[0092] In addition, in the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0093] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the utility model can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the utility model. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., which can store program codes.
[0094] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0095] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the utility model, which are used to illustrate the technical solution of the utility model, rather than to limit it. The protection scope of the utility model is not limited thereto. Although the utility model is described in detail with reference to the above-mentioned embodiments, ordinary technicians in this field should understand that any technician familiar with the technical field can still modify the technical solution recorded in the above-mentioned embodiments within the technical scope disclosed by the utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the utility model, and should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.
Claims
1. An electric energy meter detection device, characterized in that: include: A housing, a control module arranged inside the housing, an upper and lower power test module and a communication module respectively connected to the control module; the communication module is connected to the host computer of the peripheral device in communication; the communication module is connected to at least one peripheral electric energy meter to be tested in communication; the upper and lower power test module includes at least one pulse input interface, the pulse input interface is arranged on the upper surface of the housing, and each of the pulse input interfaces is connected to one of the electric energy meters to be tested; The communication module is used to receive the test plan sent by the host computer and send the test plan to the control module; The test scheme is one of a power-on and power-off test scheme and a communication test scheme; The control module is used to receive the test scheme and determine the type of the test scheme; when the test scheme is the power-on and power-off test scheme, control the power-on and power-off test module to test each electric energy meter to be tested connected to the power-on and power-off test module according to the power-on and power-off test scheme; when the test scheme is the communication test scheme, control the communication module to test each electric energy meter to be tested that is connected to the communication module in communication according to the communication test scheme; The control module is also used to obtain the test result of each of the electric energy meters to be tested, and send the test result to the host computer, so that the host computer generates a detection report corresponding to each of the electric energy meters to be tested according to the test result.
2. The electric energy meter detection device according to claim 1, characterized in that: The power-on and power-off test module includes a relay unit and a pulse reference ground interface; the pulse reference ground interface is arranged on the upper surface of the housing, and each of the electric energy meters to be tested is connected to the pulse reference ground interface; The relay unit includes a relay, a first relay interface and a second relay interface; the relay is arranged inside the shell; the first relay interface and the second relay interface are both arranged on the side surface of the shell; the electric energy meter to be tested is connected to the relay through the first relay interface and the second relay interface.
3. The electric energy meter detection device according to claim 1, characterized in that: The communication module includes an RS485 communication unit; the RS485 communication unit includes a first RS485 communication interface and a second RS485 communication interface; each of the electric energy meters to be tested is connected to the electric energy meter detection device via the first RS485 communication interface and the second RS485 communication interface.
4. The electric energy meter detection device according to claim 1, characterized in that: The communication module includes a near-infrared communication unit; the electric energy meter detection device is connected to the host computer through the near-infrared communication unit.
5. The electric energy meter detection device according to claim 1, characterized in that: The electric energy meter detection device further comprises a key module; the key module is connected to the control module; the key module is arranged on the upper surface of the housing; The control module is also used to determine the target control operation corresponding to the control instruction according to the control instruction input by the user through the key module and the preset control instruction-control operation correspondence relationship, and control the corresponding module to execute the target control operation.
6. The electric energy meter detection device according to claim 1, characterized in that: The electric energy meter detection equipment also includes an indicator light display module; the indicator light display module is arranged on the upper surface of the shell, and the indicator light display module is connected to the control module; the indicator light display module includes a communication light, an operation light and at least one pulse indicator light; each of the pulse indicator lights corresponds to displaying the working status of one of the pulse input interfaces.
7. The electric energy meter detection device according to claim 1, characterized in that: The electric energy meter detection device also includes a liquid crystal display module; the liquid crystal display module is arranged on the upper surface of the shell, and the liquid crystal display module is connected to the control module.
8. The electric energy meter detection device according to claim 1, characterized in that: The electric energy meter detection device further comprises an alarm module; the alarm module is arranged on the upper surface of the shell, and the alarm module is connected to the control module.
9. The electric energy meter detection device according to claim 1, characterized in that: The electric energy meter detection device also includes a power supply module; the power supply module is connected to an external power supply; the power supply module includes a first power supply interface and a second power supply interface, and the first power supply interface and the second power supply interface are both arranged on the side surface of the shell; the external power supply supplies power to the electric energy meter detection device through the first power supply interface and the second power supply interface.
10. An electric energy meter detection tool, characterized in that: The electric energy meter detection device comprises the electric energy meter detection device as described in any one of claims 1 to 9 above, and further comprises a host computer; the electric energy meter detection device is communicatively connected to the host computer.